I don't think lack of pace is too critical. I'm a bit confused what he is though. Not really an attacking midfielder or a defending one. Doesn't really score much. Basically he does most things quite well but not exceptionally. He might be one of those players who just works so hard to improve on his game to make sure he makes it. Struggling to think of examples and an sure to get pelters but maybe like Gordon Strachan, Dennis Wise, Jimmy Bullard (but better) or Joey Barton of some years back.