To Watch Tonight

What to watch as a urologist reveals how Smallville really got its name ... • Boxing: Lightweights, Zahir Raheem vs. Cristobal Cruz, at Tulsa. In this corner, wearing the red trunks, Bugs Bunny! [ ESPN2] • MLB: Atlanta at Boston. Braves return to Boston. Babe Ruth approves. [ TBS] • NBA: Eastern Conference semifinals, Game 6, Cleveland at New Jersey; Western Conference semifinals, Game 6, Phoenix at San Antonio. Time to wrap this up, fellas. [ ESPN]