Quite enjoyed this AFL vid:
http://www.afl.com.au/video/2018-04-18/coaches-reveal-their-most-challenging-player
Rossy, who looks to enjoy answering these questions about as much as a wedgie, goes with SHill when asked who players would say is his favourite. For some reason he is the only coach not shown giving any kind of answer for most challenging player.
Cue Hackdorn "Fyfe is a challenging player: Ross" headline