Offense-Yao Yao can do it all, he has the post up game and he can spot up and shot the mid range jumper. Dwight needs to polish his game, thus far in his career he has used his strenght to power opponets. For him to be successful, he is going to need to develop some go to moves in the post and possibly a jump shooting game. Defense-Dwight Yao is great at altering shots but that is mostly becuase of his 7 foot 6 frame. Dwight is under 7 feet, and he can get up and block shots with the best of them. Dwights speed and strenght makes him an absolute beast on the defensive end he is able to guard in the post and in the perimeter, he can lock down with any opponet one on one. Dwight winning DPOY was no fluke. Rebounding-Dwight Yao needs to work on his defensive rebounding, too many times does he misjudge the ball and fail to grab the ball. Howard scoops up virtually anything that bounces his way whether its on the defensive or offensive side of the ball. Free Throw-Yao Easy decision here, Yao has shot in the 80% range for his whole career whereas Dwight shots around 60%. Athleticism-Dwight No need for explanation. Passing-Yao Both players get alot of double teams so it is necessary for them to be able to find the open shooter. Yao imo is one of the best at finding open guys. Dwight sometimes is off on his timing, and at times is unable to get the ball directly in his teammates hands. I'll give the edge to Yao for now, but I think that after next season Dwight will take over officially as the best big man in that game. Dwights numbers and general athleticism is usually used as criterion for why he is a better center, but the way I see it Yao is the better big man so far.