Resource 2019 Stats thread + prior year comparisons

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Billy Bob65 does a great job sometimes putting up some of the centre bounce players involved stats, in game review threads. Given he has only put 6 up and not all 13, I have copied them into this thread.

Rd 5 WCE in Perth

Here are the midfield frequency stats from the match. In case you missed one of these posts from the 2nd half of last season, this is an overall summary of how often players started as one of the 5 mids at centre bounces. Given I predominantly provide stats from FTA games into Melbourne and Port isn't on FTA as much anymore, I'll try to supplement those stats with some Foxtel games (but the turnaround will usually be more mid-week).

Overall Summary - 24 Bounces

Wines 23
Drew 19 (13w, 6i)
Duursma 18 wing
Boak 15 (3w)
Rockliff 14
Westhoff 12 wing
SPP 8
Rozee 4 (3i, 1w)
R.Gray 3
S.Gray 3
Butters 1 wing

Rucks:

Lycett 16
Ryder 8

1st Half - 13

Wines 12
Drew 11 (7w, 4i)
Duursma 9 wing
Rockliff 9
Westhoff 9 wing
Boak 6
Rozee 4 (3i, 1w)
SPP 3
R.Gray 2

Lycett 9
Ryder 4

2nd Half - 11

Wines 11
Duursma 9 wing
Boak 9 (3w)
Drew 8 (6w, 2i)
Rockliff 5
SPP 5
Westhoff 3 wing
S.Gray 3
R.Gray 1
Butters 1 wing

Lycett 7
Ryder 4

Notes:
- First (analysed game) since the 2017 Elimination Final where SPP has played a full game, but hasn't finished in your top 6 mids. He also wasn't utilised at all in the last.

Rd 6 NM at AO
Here are the midfield frequency stats from the match. In case you didn't see one of these posts in the 2nd half of last season, this is an overall summary of how often players started as one of your mid (inside + wings) at centre bounces.

Overall Summary - 27 Bounces

Duursma 24 wing
Rockliff 19
Drew 19 (12w, 7i)
Wines 19
Westhoff 14 wing
Boak 13
SPP 9
R.Gray 8
Ebert 5 (3i, 2w)
S.Gray 3
Rozee 2 wing

Rucks:

Lycett 17
Ryder 10

1st Half - 12

Duursma 11 wing
Westhoff 10 wing
Rockliff 8
Wines 7
Drew 7 (1w)
Boak 5
R.Gray 5
S.Gray 3
SPP 2
Rozee 2 wing

Lycett 10
Ryder 2

2nd Half - 15

Duursma 13 wing
Drew 12 (11w, 1i)
Wines 12
Rockliff 11
Boak 8
SPP 7
Ebert 5 (3i, 2w)
Westhoff 4 wing
R.Gray 3

Lycett 7
Ryder 8

Notes:

- 6 of Drew's 7 inside appearances were in the 1st term, he only had 1 stint in the 2nd (possibly luck related due to only 4 goals scored), before replacing Westhoff as a first choice winger for the 2nd half.

Rd 7 Coll at Docklands
Commiserations on the loss

Here are the midfield frequency stats from the match (how often players were lining up as one of your 5 mids at bounces).

Overall Summary - 29 Bounces

Drew 26 (16w, 10i)
Wines 20 (1w)
Boak 20
Duursma 19 wing
Amon 18 (17w, 1i)
Rockliff 15
SPP 13
Westhoff 5 wing
Rozee 4
Ebert 3
S.Gray 2

Rucks:

Lycett 10
Ryder 19

1st Half - 15

Duursma 13 wing
Drew 12 (8w, 4i)
Boak 11
Rockliff 11
Wines 10 (1w)
Amon 9 (8w, 1i)
SPP 4
Rozee 2
Ebert 2
S.Gray 1

Lycett 8
Ryder 7

2nd Half - 14

Drew 14 (8w, 6i)
Wines 10
Boak 9
Amon 9 wing
SPP 9
Duursma 6 wing
Westhoff 5 wing
Rockliff 4
Rozee 2
Ebert 1
S.Gray 1

Ryder 12
Lycett 2

Notes:
- First inside start for Amon in analysed games
- Rockliff and SPP swapped roles in the last - Rocky only started at 1 bounce, whilst SPP had half his appearances (starting at 7 of the 9 bounces)
- Drew becomes the fourth different player to be your most frequently used player from 4 analysed games this season - Amon (Rd 1), Wines (Rd 5), Duursma (Rd 6)

Rd 13 Freo in Perth
Here are the midfield frequency stats from the game. If you haven't seen one of these posts before, this is an overall summary of how often your players were lining up as one of the 5 mids at bounces. After feedback, this'll be the first round that I'm adding Champion Data's centre square clearances stat to the information. As this was a close contest, final quarter stats are provided separately.

Overall Summary - 31 Bounces

Duursma 27 wing
Boak 27
Amon 25 (14w, 11i)
R.Gray 21
Westhoff 20 wing
Houston 20
SPP 10
S.Gray 3 (2i, 1w)
Motlop 2

Rucks:
Ryder 17
Lycett 14

Centre Clearance Data (Champion Data/AFL.com.au)
Boak 4
Amon 2
Lycett 2
R.Gray 2
Houston 1
SPP 1
Westhoff 1

1st Half - 17

Amon 15 (7i, 6w)
Duursma 14
Boak 14
Westhoff 12 wing
R.Gray 10
Houston 9
SPP 8
Motlop 2
S.Gray 1

Ryder 6
Lycett 11

2nd Half - 14

Duursma 13 wing
Boak 13
R.Gray 11
Houston 11
Amon 10 (6w, 4i)
Westhoff 8 wing
SPP 2
S.Gray 2 (1i, 1w)

Ryder 11
Lycett 3

Final Term - 4

Boak 4
R.Gray 4
Houston 4
Duursma 3 wing
Westhoff 3 wing
Amon 2 wing

Ryder 3
Lycett 1

Notes:
- As an outsider, with Rockliff & Wines out it was genuinely surprising to see Amon & Houston receive more inside time than SPP
- Amon smashes his previous high for inside starts in analysed games of 4 in Rd 7, 2018
- Only the 2nd appearance of Houston as a mid in analysed games and first as an inside mid
- SPP has now finished outside the top 6 mids in 3 of the past 4 analysed games

Rd 14 Gee at AO
Couldn't find a review thread and didn't think the preview/changes thread was relevant, so hopefully the mods are OK with me bumping this.

Congratulations on the fantastic win.

Here are the midfield frequency stats from the match. If you haven't seen a previous post, this is an overall summary of how often your players lined up as one of the 5 mids.

Overall Summary - 20 Bounces

Duursma 16 wing
Wines 16 (4w)
Boak 16
R.Gray 15
Houston 15 (4w)
Amon 14 (13w, 1i)
S.Gray 4 (2i, 2w)
Ebert 3
Farrell 1 wing

Rucks:
Lycett 17
Howard 3

Centre Clearances - per Champion Data/AFL.com.au
R.Gray 4
Lycett 3
Boak 1
Duursma 1
Howard 1
S.Gray 1

1st Half - 10

Wines 9 (1w)
Amon 9 (8w, 1i)
Duursma 8 wing
Boak 7
R.Gray 7
Houston 6 (1w)
S.Gray 3 (2w, 1i)
Ebert 1

Lycett 8
Howard 2

Final Term - 5

Houston 5 (3i, 2w)
Wines 4 (2i, 2w)
Boak 4
R.Gray 4
Duursma 3 wing
Amon 2 wing
Ebert 2
Farrell 1 wing

Lycett 5

Notes
- Lowest percentage of bounces attended (70%) in an analysed game this season for Amon.
- 2nd highest percentage of bounces attended (80%) in an analysed game this season for Wines. He attended 95.8% of the bounces (23 of 24) against West Coast in Rd 5.
- Equal highest starts (with Rd 9) in an analysed game for Sam Gray this season.
- Farrell's midfield debut in an analysed game

Rd 15 Bulldogs at AO
Overall Summary - 19 Bounces

Drew 17 (9w, 8i)
Houston 15 (9w, 6i)
Wines 15 (4w)
Boak 13
Duursma 12 wing
R.Gray 10
S.Gray 8 (6i, 2w)
Ebert 4 (2i, 2w)
Hartlett 1

Rucks:
Lycett 14
Ladhams 5

Centre Clearances (per Champion Data/AFL.com.au
Boak 3
Lycett 1
R.Gray 1
S.Gray 1
Hartlett 1
Bonner 1

1st Half - 9

Drew 8 wing
Houston 7 (1w)
Duursma 7 wing
Wines 6 (1w)
Boak 6
R.Gray 5
S.Gray 4 (3i, 1w)
Ebert 2

Lycett 7
Ladhams 2

2nd Half - 10

Drew 9 (1w)
Wines 9 (6i, 3w)
Houston 8 wing
Boak 7
Duursma 5 wing
R.Gray 5
S.Gray 4 (3i, 1w)
Ebert 2 wing
Hartlett 1

Lycett 7
Ladhams 3

Notes:
- Equal most starts (with Rd 5, 2017) for Sam Gray in an analysed game since he had started at 17 (of 26) bounces against Gold Coast in Rd 23, 2016
- Hartlett's first inside start in an analysed game since Rd 16, 2016
- Duursma's lowest percentage of bounces attended in the 9 analysed games this season
- Equal 2nd lowest starts (with Rd 6) for Boak in an analysed game this season
 
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The stats look good but it would look better if we only had 3 or 4 losses not 6.


High Rankings​
Low Rankings​
● Ranked 4th in Kicks Per Game
● Ranked 4th in Handballs Per Game
● Ranked 2nd in Disposals Per Game
● Ranked 5th in Points Per Game
● Ranked 2nd in Tackles Per Game
● Ranked 4th in Hitouts Per Game
● Ranked 1st in Inside 50s Per Game
● Ranked 5th in Goal Assists Per Game
● Ranked 1st in Clearances Per Game
● Ranked 3rd in Clangers Per Game
● Ranked 2nd in least Opponent Marks Per Game
● Ranked 4th in least Opponent Hitouts Per Game
● Ranked 2nd in least Opponent Inside 50s Per Game
● Ranked 5th in Team to Opponent Kicks Per Game Diff.
● Ranked 4th in Team to Opponent Handballs Per Game Diff.
● Ranked 4th in Team to Opponent Disposals Per Game Diff.
● Ranked 5th in Team to Opponent Points Per Game Diff.
● Ranked 5th in Team to Opponent Tackles Per Game Diff.
● Ranked 4th in Team to Opponent Hitouts Per Game Diff.
● Ranked 1st in Team to Opponent Inside 50s Per Game Diff.
● Ranked 1st in Team to Opponent Clearances Per Game Diff.
● Ranked 14th in Marks Per Game
● Ranked 15th in Rebound 50s Per Game
● Ranked 18th in least Opponent Clangers Per Game
● Ranked 17th in least Opponent Rebound 50s Per Game
● Ranked 12th in Team to Opponent Clangers Per Game Diff.
● Ranked 17th in Team to Opponent Rebound 50s Per Game Diff.
1st in inside 50's, 5th in goals, 17th in least Opponent rebound 50's per game. Almost like we needed more than 1 real KPF up forward. :think:
 

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Put this in the showdown review thread answering gremio's question. but really belongs in here.


Our highest I50 per score was actually in Q2, wasn't it? In the last quarter, we have had our worst I50/points ratio.

i50/score - i50/points
Q1 3.000 - 0.632
Q2 3.250 - 0.684
Q3 2.000 - 0.462
Q4 2.556 - 0.958
I look at it the other way round and use I50 as the denominator, because its the driver of scores.

scores/I50 ---- Pts/I50
4/12 = 33.3% 19/12 = 1.58 pts
4/13 = 30.8% 19/13 = 1.46 pts
9/18 = 50.0% 39/18 = 2.17 pts
9/23 = 39.1% 24/23 = 1.04 pts

So in Q3 we converted most of our I50's into scores and into the most points. Q2 was our worst conversion into scores but Q4 was the worst points scored for those I50's.

We average 60 I50's per game. If we could average 2.0 pts per I50 we would average kicking 120 pts which would make us the top side.

I have manipulated the data from this website page.

For 66 inside 50's we kicked against Adelaide
Ave goals 22% x 66 = 14.5 goals, Average behinds 20% x 66 = 13.2 pts = 100 pts
Best goals 27% x 66 = 17.8 goals, behinds 20% x 66 = 13.2 pts = 120 pts

Against the crows 15 goals/66 I 50 = 22.7%, score conversion 15+11/66 = 39.4%. We were better than our average, we were around AFL average but we were worse than the top 5 sides average.

It is no fluke that the top 5 sides have kicked the most goals, have the best I50 goal conversion and score conversion percentages, despite their different levels of I50's.

705726


Edit Pts For I50
Geel 1399 / 769 = 1.82
WCE 1275 / 746 = 1.71
Coll. 1286 / 775 = 1.66
Bris. 1361 / 833 = 1.63
GWS 1377 / 786 = 1.75
Rich. 1263 / 814 = 1.55
PA... 1242 / 903 = 1.38 ** our pts/I50 conversion is 31.9% behind Geelong
.....
NM.. 1264 / 795 = 1.59
 
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Stats from the AFL Record for Sunday's game against Brisbane.

Only one of the categories we kept up with season average against Brisbane was our shitty kicking.

710520
blow up the writing on pressure factor

710523


No real surprised in these categories

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Lots of our mid fielders are below AFL average kicking efficiency pecentage compared to AFL average for mid fielders.


710528


I highlighted Port players in the top 10 list. Boak in 5 of 14, Rockliff in 3 and Lycett in 1.

710530
 
This season, until Round 19, we have either lost Q1 or tied scoring fewer shots in 12 games. Our record in those games is 4-8, with 2 of the wins being the first two games of the season. The other two comebacks came against Gold Goast (R9) and West Lakes (R16). Those Q1 losses have come in waves:

QT Scores R1-R3
Port-Melb, 2.4:16 - 4.3:27; Points: -11; Scoring Shots: -1
Port-Carl, 4.2:26 - 5.2:32; Pts: -6; SS: -1
Port-Fitz, 3.2:20 - 5.2:32; Pts: -12; SS: -2

FT Record: 2-1

QT Scores R7-R10
Port-Coll, 0.3:3 - 7.6:48; Points: -45; Scoring Shots: -10
Port-WL, 0.2:2 - 2.1:13; Pts: -11; SS: -1
Port-GC, 3.1:19 - 4.4:28; Pts: -9; SS: -4
Port-Haw, 0.0:0 - 5.2:32; Pts: -32; SS: -7

FT Record: 1-3

QT Scores R15-R19
Port-Foot, 1.2:8 - 3.2:20; Points: -12; Scoring Shots: -2
Port-WL, 3.1:19 - 2.7:19; Pts: 0; SS: -5
Port-Fitz, 2.1:13 - 7.1:43; Pts: -30; SS: -5
Port-Rich, 2.4:16 - 5.4:34; Pts: -18; SS: -3
Port-GWS, 0.3:3 - 2.5:17; Pts: -14; SS: -4

FT Record: 1-4

----

In the games that we have finished Q1 with a lead, our overall record is 4-2. They also came in waves:

R4: Port-Rich, 4.1:25 - 2.5:17; Pts: +7; SS: -2
R5: Port-WC, 3.5:36 - 1.1:7; Pts: +29; SS: +6
R6: Port-NM, 5.2:32 - 2.3:15; Pts: +17; SS: +2

FT Record: 2-1

R11: Port-StK, 5.1:31 - 3.4:22; Pts: +9; SS: -1
R13: Port-Freo, 5.1:31 - 3.2:20; Pts: +11; SS: +1
R14: Port-Geel, 3.4:22 - 1.2:8; Pts: +14; SS: +4

FT Record: 2-1

----

Here, the last four games of the season:

R20: Port-Ess, 5.2:32 - 2.4:16; Pts: +16; SS: +1
R21: Port-Syd, 4.4:28 - 3.4:22; Pts: +6; SS: +1
R22: Port-NM, 1.1:7 - 6.3:39; Pts: -32; SS: -7
R23: Port-Freo, 3.4:22 - 5.1:31; Pts: -9; SS: +1

FT Record: 3-1
 
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This was from Friday's 'Tsier


Port Adelaide’s inability to pinpoint inside-50 targets is killing it.

Exclusive Champion Data statistics show that only three Power players are above the AFL average for the team scoring from their kicks inside 50 this season.In a damning analysis that illustrates one of the key reasons Port is struggling to hit the scoreboard — and failing to capitalise on its high percentage of inside 50 entries — is that only midfielders Sam Powell-Pepper (37.9 per cent) and Xavier Duursma (35.9) and defender Darcy Byrne-Jones (35.2) are going at better than the AFL average of 33.2 per cent.
...........


LACKING POWER
Port’s score percentage from kicks I50
(AFL Ave: 33.2%)


Kicks....................... I50; Score %
Sam Powell-Pepper – 58; 37.9%
Xavier Duursma.... – 39; 35.9%
Darcy Byrne-Jones – 54; 35.2%
Karl Amon............ – 38; 31.6%
Travis Boak.......... – 77; 27.3%
Riley Bonner......... – 52; 26.9%
Scott Lycett.......... – 42; 26.2%
Tom Rockliff......... – 50; 26.0%
Dan Houston........ – 47; 25.5%
Robbie Gray......... – 42; 23.8%

Only three Port players are above the AFL average of 38.9 per cent for score percentage from its top-10 targeted players inside 50

I50............ Target; Score %
Robbie Gray.. – 56; 46.4%
Connor Rozee – 58; 43.1%
Paddy Ryder.. – 53; 41.5%

Then against Essendon we kick 14.2 from set shots the 2 points were posters by Rozee and SPP. We took 15 marks inside 50 and kicked 11.2 with Sutcliffe centering the ball which wasn't marked and Dixon from a mark near where 50m meets the boundary line went for a pass up the line and put it out of bounds on the full. We kicked 3.0 from free kicks we got, Robbie, Butters in the 1st quarter and X on the boundary OOTF kick and then did the arrow.
 
This was from Friday's 'Tsier


Port Adelaide’s inability to pinpoint inside-50 targets is killing it.

Exclusive Champion Data statistics show that only three Power players are above the AFL average for the team scoring from their kicks inside 50 this season.In a damning analysis that illustrates one of the key reasons Port is struggling to hit the scoreboard — and failing to capitalise on its high percentage of inside 50 entries — is that only midfielders Sam Powell-Pepper (37.9 per cent) and Xavier Duursma (35.9) and defender Darcy Byrne-Jones (35.2) are going at better than the AFL average of 33.2 per cent.
...........


LACKING POWER
Port’s score percentage from kicks I50
(AFL Ave: 33.2%)


Kicks....................... I50; Score %
Sam Powell-Pepper – 58; 37.9%
Xavier Duursma.... – 39; 35.9%
Darcy Byrne-Jones – 54; 35.2%
Karl Amon............ – 38; 31.6%
Travis Boak.......... – 77; 27.3%
Riley Bonner......... – 52; 26.9%
Scott Lycett.......... – 42; 26.2%
Tom Rockliff......... – 50; 26.0%
Dan Houston........ – 47; 25.5%
Robbie Gray......... – 42; 23.8%

Only three Port players are above the AFL average of 38.9 per cent for score percentage from its top-10 targeted players inside 50

I50............ Target; Score %
Robbie Gray.. – 56; 46.4%
Connor Rozee – 58; 43.1%
Paddy Ryder.. – 53; 41.5%

Then against Essendon we kick 14.2 from set shots the 2 points were posters by Rozee and SPP. We took 15 marks inside 50 and kicked 11.2 with Sutcliffe centering the ball which wasn't marked and Dixon from a mark near where 50m meets the boundary line went for a pass up the line and put it out of bounds on the full. We kicked 3.0 from free kicks we got, Robbie, Butters in the 1st quarter and X on the boundary OOTF kick and then did the arrow.

Let me get this straight: SPP is our best scorer from I50 this season!?

I confess that I didn't understand the data.
 
Let me get this straight: SPP is our best scorer from I50 this season!?

I confess that I didn't understand the data.
What it says is that SPP has 58 times kicked the ball I50, but only 22 times have we got a score from those I50 entries. Scores could be 15.7 or 6.16 but that data isn't supplied.

Given we on average get the ball I50, about 60 times a game, the AFL average suggests we should get 20 scores ie 12.8 or 11.9.

That article was written before the Essendon game where we kicked 19.12 from 58 I50, above our season average.

Currently we have kicked 219.221 from 1113 I50. That score conversion is above AFL average of 33.2% at 39.5%. The above list is for only the top 10 players by I50 not all 36 who have played. Some may only have 30 entries at 45%.

So the updated stats are we average 11.5 goals and 11.6 pts per game from an average of 58.6 I50 per game.
 
What it says is that SPP has 58 times kicked the ball I50, but only 22 times have we got a score from those I50 entries. Scores could be 15.7 or 6.16 but that data isn't supplied.

Given we on average get the ball I50, about 60 times a game, the AFL average suggests we should get 20 scores ie 12.8 or 11.9.

That article was written before the Essendon game where we kicked 19.12 from 58 I50, above our season average.

Currently we have kicked 219.221 from 1113 I50. That score conversion is above AFL average of 33.2% at 39.5%. The above list is for only the top 10 players by I50 not all 36 who have played. Some may only have 30 entries at 45%.

So the updated stats are we average 11.5 goals and 11.6 pts per game from an average of 58.6 I50 per game.
Our home/away split on goals v behinds is not funny. We are way worse on average at home.
 
Probably because it pisses down with rain every time we set foot in the place.
We are worse in comparison with our opponents. If I am not mistaken, we have scored some -10 goals and +30 behinds than the opposition totals. When away, the numbers are more even.
 

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Saw this on Twitter. Jonas and Clurey are two of the top 3 defenders for (lowest) 1v1 loss percentage


View attachment 727227
Any reason why Nathan Brown isn't on there? He's had 48 contested defensive one on ones for only seven losses (14.6%). Interesting, though.
 
Saw this on Twitter. Jonas and Clurey are two of the top 3 defenders for (lowest) 1v1 loss percentage


View attachment 727227
Few 1v1 (Bottom-2), but impressive nonetheless. Jonas must have been paying for his captaincy more than he should.
 
2019 CLOSE GAMES

There were five games that I considered to have been close, for one reason or another. In all the other games, even though the control of the game has usually switched between teams along the way, one team has clearly dominated the game and won it. In those, we've had:

- 7 losses (rounds 7, 8, 10, 15, 17, 18, 22)
- 10 wins (rounds 1, 2, 5, 6, 9, 11, 16, 20, 21, 23)

On the close games, I have divided them in three categories.

I) Games in which we had the upperhand for most of the game, but ended up losing: (2)
- R3, @BRI (close score)
- R13, @FRE (score not close at all)

II) Games in which the opposition had the control for most of the night, but we ended up making it close: (1)
- R19, v.GWS (loss)

III) Games in which we played even with the opposition throughout the match:
- R4, v.RIC (loss)
- R14, v.GEE (win)

[2019 close-game record: 1-4]

----

SPLITTING THE SEASON

1 - We began the season with 4 convincing wins and 2 close losses (very 2017-like). [4-2]

2 - We started to yo-yo, with 3 bad losses intertwined with 2 good wins from round 7 to the bye. [2-3]

3 - The first game after the bye is the really weird loss against Freo away (very 2018-like), followed by a rare close win against Geelong no less. [1-1]

4 - We have a really bad series of games between rounds 15 and 19, with the Showdown being an exception (very 2018-like, and our solitary win in Ballarat in the end of the season). [1-4]

Finally:

5 - We finished the season with three solid wins, with the vexing loss against North in R22 in-between them. [3-1]

----

I have no idea what to do with this. It simply shows what we already know - that our games seem based on pure luck. The numbers followed attached. Any doubts, just ask me.
 

Attachments

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Saw this on Twitter. Jonas and Clurey are two of the top 3 defenders for (lowest) 1v1 loss percentage


View attachment 727227

Jonas loses the least number of 1v1s but also has the lowest 1v1s contests. Seems a waste. May as well trade him while the perception of value is high.
 
The Tsier have some champion data stats for Port. They say the kids and young players had good improvement the older players went backwards.

So many above average players, yet a mediocre average result. probably good padding against the poor teams.

Lycett I have praised all year. Reckon he has been our 2nd or 3rd best player. The numbers don't lie.

Houston's figure are assisted by playing mid field for 2nd half of the year and racking up mid stats compared to general defender stats in that period.


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Ryder, Motlop, Wines (injuries), Jonas, Ebert (injuries), Robbie, Dixon (injuries) and Hoff had big backward years

Lycett, Amon, Boak, Rockliff, DBJ, Houston and Clurey had big positive improvement years.

That's why the club says it thinks we are going in the right direction - the younger players, but the old boys have gone backwards.
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737147
 
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The above ties in with some stats Sleezy calculated and posted in page 3 of the -
“He’s simply getting on with the job of navigating a young group through the perils of inconsistency...” thread
[QUOTE="Sleezy, post: 62462865, member: 160718"
So I've done some maths.

Across 21 games this season's we've had:
- 7 players with 0-25 games experience play in at least 3 wins and 3 losses
- 8 players with 26-75 games experience play in at least 3 wins and 3 losses
- 6 players with 76-150 games experience play in at least 3 wins and 3 losses
- 8 players with 150 games experience play in at least 3 wins and 3 losses

Based on 21 games of AFL player ratings data, for these groups:
0-25:
- 18% drop in performance in losses v wins
- average rating: 7.9 (wins: 8.7; losses: 7.2)
26-75:
- 5% drop in performance in losses v wins
- average rating: 9.6 (wins: 9.9; losses: 9.4)
76-150:
- 36% drop in performance in losses v wins
- average rating: 8.5 (wins: 10.2; losses: 7.0)
150+:
- 6% drop in performance in losses v wins
- average rating: 12 (wins: 12.4; losses: 11.6)

But yes, it's the youngsters fault we're inconsistent.
 
Snipets from the article I posted those charts.

At 11-11, for the second year running, Port Adelaide finished in 10th spot on the AFL ladder. But Power coach Ken Hinkley says “it feels like there is a fair bit of difference” this time around. “I’m optimistic about 62 games into three first-year draft choices, six debutants, two new people in Scott Lycett and Ryan Burton to come to the club, the change of leadership,” he said. Has Hinkley’s list improved enough across the board to warrant such optimism?

From the kids and the middle-tier, absolutely, it has. Karl Amon (+21.6), Darcy Byrne-Jones (+15.4) and Dan Houston (+11.8) were three of the six Power players, who have played more than five games, to increase their Champion Data ranking-points average by more than 10 this season.
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But that’s where the optimism ends. The numbers say senior players Justin Westhoff (-21.2), Charlie Dixon (-13.9), Robbie Gray (-13.1), Brad Ebert (-10.3), Tom Jonas (-9.6), Ollie Wines (-9.1), Steven Motlop (-8) and Paddy Ryder (-7.2) failed to improve in 2019.
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In the wake of the Round 23 victory over the Dockers, Hinkley said “I know we’ve had some bad moments, but we’ve had some good moments”. And the same can be said of his playing list in 2019.
 
Here are some plots of the age distribution profiles of 220 premiership winning players, which I have compared to Port’s best 22, in rounds 2, 10 and 23 for year 2019 – arbitrary choices to reflect “beginning, middle and end” of season.
So, I have lumped together 220 players over 10 grand finals as a means of comparing the age distribution of a selection of our teams with potential characteristics of success.
The ages of the players have been corrected to the day of the Grand Final, independent of the year. It assumes that one of the Port Round 2, 10 or 23 teams were a Grand Finalist team of 2019 (again, age corrected to 28 Sept 2019).
The 10 x 22 (=220) players reflecting GF winners were in the following teams: 2005 (Sydney), 2010 (Pies) 2013, 14, 15(Hawks), 2007, 2009, 20011 (Cats) and finally 2017, 2019 (Tigers).
The evaluation of premiership winning players has needed no data treatment, simply because the data is dense. The curve produced is very smooth, and so remains unaltered. It does smear the data, however, hiding the nuance of individual premiership teams. By contrast, the data for examination of 22 players is much noisier, due mostly to the smaller sample. In this case I have provided both the actual data, as well as a smooth curve, which I have fitted to the actual data, using a bit of maths. Sometimes I have presented just the smoothed curves for 22s in comparisons, lest the actual inputs for teams turn the plots into a confusing array of intermingled data points.
Here are the plots for the 3 Port teams relative to the 10 GF teams:
Rnd 2 10 23.jpg
And just presenting the overlaid best fit curves for the data:
line plot Rnd 2 10 23.jpg
Our “olds” are a bit older, and our “youngs” more substantially younger than the reference curve.

The age profile of our oldest players (beyond 70% of the team age profile) has remained substantially the same over the games I looked at, while for Round 23 there has been a drift to a somewhat older age range in the bottom 70% of the team (probably amounting to 20-30 games of experience for our youngest players). Whether there has been a systematic move to an outcome closer to the “Grand Accumulation” over the course of the season, or whether this drift is just a random occurrence based upon my sampling of games, is open to question. It may or may not have reflected Ken’s desperation, as the season drew to an end, in selecting substandard experience over youth.

Here are the plots for the 2 x 2019 Grand Finalist teams (Tigers & GWS) relative to the 22 x 10 GF premiership winners/ players. Both teams have a substantially closer age profile to the “Grand Accumulation” than Port teams. Of course age profile is only a partial reflection of success, but these 2 teams are closer to “on the money” in this regard.
Tigers GWS 2019 GFinalists.jpg
I view, as others probably do, that those players between 24-28yo are a key to the success of footy teams, mainly because they represent the middle ground between inexperienced youth and the injury and slow-down of individuals beyond 28yo (despite their experience). The table below shows the count of players in each of the 10 premiership teams, whose ages lie <24 and <=28yo. It compares the count with each of the 3 above Port teams and the GWS 2019 R/U. Again all ages reflect players on the day of the GF in each respective year. The Port 2019 Squad carries approximately ½ the players in this age range compared to the Tigers 2019 Squad, and their 2019 Premiership team carries more players in this age range than in our total 2019 squad. Somehow the population in this age range needs to be increased.
24-28 YO premiership players.jpg
It seems to me that these age profiles are quite difficult to alter. Waiting for the “youngs” to fall into this age range will push some of the “olds” off the plot due to retirements – then what? Bringing in more “youngs” will again blow out the bottom of the age profile. Alternatively “steal” players in this age range, as employed by Hawks and to a lesser extent Tigers? I think we tried that but made the wrong choices.

Pies in 2010 and Cats 2011 are atypical, but Pies 2010 Premiers offers some hope that “youngs” can do the job, although they totally break the mould. Pies 2010 ask more questions for Collingwood than about Port. Why did they not create a dynasty with both youth and Grand Final experience? Cats 2011 Premiers seem to reflect a drift of a cohort of older very skilled players to extinction – as though they drained the tank on the capability of these players before falling off the “conveyor belt”. To create a long term dynasty, this is probably not the right way to go about it.
Pies and Cats Atypical.jpg
 

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