Its a tough call but one I think Barrett needs to make. Yes I agree that both Killer and Walker need to be on board with it for it to actually work out for the best, but it does need to happen because in all reality, Jamie is getting shown up these days at centre and other than maybe his kicking game, Walker isn't showing any improvement as a 5/8. We know he can run, but he's showing no passing game or play making skill that is needed to be a successful #6. And that is only making it harder on the team, especially DCE.
Last night showed the difference between Walker and Milford as a running style 5/8. Sure, Milford has an extra years experience in the position and he has better quality around him, but by this time last year he had started to show a marked improvement in his play that Walker has not come close to showing. Milford is playing like a 5/8, Walker is playing like a 3rd centre.