Nothing to worry about. We all hate to see Hudson go but he was most likely to be the one on a team heavy in talented guard/wing players. He was last in minutes among those players and they are all returning, plus Ahmed Hill is returning, and maybe Ty Outlaw if he is cleared. Hudson just did the math. He wants more PT and he will absolutely get it at another school that doesn't have so much competition for PT at his position. He's too good of a talent not to be getting at least 30 minutes or more a game and he's not going to get that at VT. I believe he will become more consistent when he's the go to guy and playing more minutes. He just needs to find the program that needs him.
As for Pierce, I'm guessing we'll see him go to a low major or even a Division II program. IMO he simply hasn't shown that he can possess the speed to compete with other ACC bigs, and next year he will be behind Blackshear, Hamilton, and Sy. His transfer should be a win-win for both himself and VT.