He missed most of Wigan's relegation season injured, big factor in them going down. Him being fit for the Cup Final was crucial in them winning it. He's barely played for us, and Id say the only game he looked truly out of his depth was Liverpool away...but then who in our defence didnt in that game?
In terms of depth, lets take it that our first 11 is:
Howard
Coleman-Stones-Jagielka-Baines
Barry-McCarthy
Mirallas-Naismith-Pienaar
Lukaku
How many of our other players would we be happy to deputise or shuffle the lineup around? Not many for me. Barkley obviously when he's fit, McGeady, Gibson, Eto'o, Oviedo. Id just about include Alcaraz in this category as well, but I know plenty wouldnt. Besic, Kone and Atsu the jury's out or they havent played enough. Joel is probably in this camp too, but most have probably made their minds up already. Thats not a lot at all.
Hibbert, Distin and Osman look past it now. Id be unhappy to see any of them in our starting lineup, short of a massive injury crisis. The likes of Garbutt, Browning etc cant really be judged yet.