VIDEO: Heat's Henry Walker, formerly Bill Walker, can still fly

Henry Walker is on a 10-day contract, and he's proving that he can still get up.

The Miami Heat quietly signed Henry Walker, formerly known as Bill Walker -- he told DleagueDigest.com that he changed his name last year because he was tired of being called "Billy" -- to a 10-day contract, and on Monday he loudly announced that he can still jump like he used to. The 27-year-old wing had quite the dunk against the Philadelphia 76ers:

Walker hit a couple of 3s before that, too. If he keeps this up, he'll have a chance of sticking with the Heat.