He's had games where he has looked the full package. Hungry, dynamic, mobile... Playing with bite and vision, able to pick a pass and dictate a game.
Sadly, there have been but a handful of such games. If I close my eyes and imagine him playing, I mainly see someone blindly heading the ball forwards about 15 yards to an opponent, or "winning a free kick" and whinging at the referee in that way that really ought to result in more bookings for players.
In a nutshell, he came back from Barnsley a better player, but not one who wanted to play for us any more, and it shows.