I'm not advocating for any 1 player but seems to me that only Kolo of those 4 you named is actually a med defender. That would suggest we do not have an excess in that area and if we have a player in the VFL that can make the position his own that's a good thing for the team.I agree dahl higgins and ceglar will play a lot of vfl but they arent defenders so its not relevant to kolos spot.
I agree there will be rotations of defenders during the year i was talking about what defence we are likely to pick come finals and we have an excess of medium defenders. So i dont see kolo in the best 22 then unless at least one of atkins bews or tuohy gets dropped. A bit depends on the style kelly wants to play if he prioritises marking kolo might stay if he prioritises groundball speed and kicking skills out of defence those guys will likely get picked ahead of him.