Wow. He's played (from your own chart) just 493 mins, in a mostly dysfunctional team, with a player on his right that has fallen off a cliff, FBs that have yet to sort themselves out and are different from game to game, and a mish-mash of a midfield that is only now just beginning to sort itself out - and that is the conclusion?
Look at his form at Newcastle for the true ability of this man. Injury, fitness and the team's inoperability are the key factors behind his failure to hit form yet.