From Babe Ruth to Curtis Martin, Shaquille O'Neal to Wade Boggs, there's no shortage of players who tried out both sides of our storied rivalries.

While Celtics fans have to deal with seeing Marcus Smart in a Lakers jersey, in some ways, it could've been a little worse.

Even though he didn't win a title, Marcus Smart is widely seen as a Boston Celtics legend. The former Oklahoma State star played nine seasons for the franchise