John, I tell you what mate, loads of blues might disagree with me here but that lad is a very good footballer, his actual debut was one of the very best I have seen in a blue shirt, seriously.
He made his debut the same day as Wayne did vs Tottingham hotspurs in 2002 (drew 2-2), that day his passing was amaizing, he was taking the ball off the keeper and pinging it left & right with total accuracy, although for whatever reason (I suspect Moyes) he never played that 'libero' role again.
He works really hard and had a big impact on both unbeaten runs we had that season where we got pipped to 6th on the last day(you have to remember we were/are still quite sh*t at the time).
Sadly for him he got a few serious injuries back to back, and that was pretty much it.