Dude, he's 22 and All Star material. Chuck Hayes may be listed as 6-6, but he's a forward-center, which tells you something about his athleticism, no? Andrew still got the better of him in the end. And if you really want to talk about a big guy being owned by a smaller guy, how about Yao Ming and Nate Robinson? I'm sure you remember that one. If not, here you go:
Not to mention that Yao also gets dominated by other (forward-)centers in the league such as Pau Gasol, Emeka Okafor and Shaquille O'Neal. Needless to say, they're all smaller than him.