He's a big dude and a real athlete so I don't see why he couldn't.
Plus, he's so well known and marketable that most teams would benefit just from having him as a player. He doesn't have to be good enough to break through the ranks like rookie players do.
He complains more than he plays, and is a total primadonna, so he would make a proper Cowboy. He just would explode every game because the refs wouldn't suck his dick like they do in the NBA.
Lol it would be fun to imagine, but he definitely made the right choice sticking with basketball. Look at how MJ did in baseball. Couldn't make it to the major leagues