It boggles the mind, doesn't it? He looks to me to be a player with some football intelligence, but he completely lacks any physical attributes to pull it off in the PL. He does a twist and creates space for himself, but he is so slow that opposition defenders close him down before he is able to get to the ball. He moves into space, but again, his complete lack of physicality means that he is brushed off the ball or he is caught.
There are players in the league who aren't very physical, but he doesn't make up for it with great ball control, dribbling or passing. He looks to be completely average at all of those things alongside being one of the weakest and slowest players in the league - nothing he ever tries comes off...
He's not a bad footballer; the league is just too quick for him.