I think with RK its not so much him not being the player he was before he left its more like this IMO.
RK and Berbatoss were an awesome strike partnership that worked miracles and how they worked together flattered both their abilities and brought the best out in both. If you remember before the days of Berbatoss, RK was a pretty average striker for us reliable and popping up with useful goals but not really terrorising the oppositions defence as the pair did!
Jumping ship to Liverpool and the outcome had its effects, but when he came back he did a job, now he is a mere shadow of his former self. The reason I think is down to confidence dipping and knowing he is not favoured as its clear Arry hasnt forgiven him for that Xmas piss up or there are other issues elsewhere IMO.
If not why hasnt RK been given a run with our shocking goal ratio from our fit strikers, Keane has more ability and natural talent than Crouch any day and Pav is just Pav a lazy genious that cant be relied upon, we know Keane will work his arse off for us and a high work rate increase chances of goals!
We have nothing to loose and everything to gain if Arry shows some faith in RK and gives him a start in a few consecutive games and if he doesnt cut it then its a 7 mill tag (cant see much more than that) and off he goes in Jan but I feel he should be given that chance he could make a huge diference for us in the current state of things.