Thanks Endless Paradise, TP for the info. Do you have a direct link to the speed numbers you mentioned? Didn't see them in the three links you provided. (EDIT: Found it on the NBA stats site)
Average speed is probably useful, but susceptible to changes in a player's role, which a new coach could contribute to. Wish I could see his top speed, or how quickly he gets up to top speed. It really did seem to me like that leg was dragging and slowing him down.