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

New Los Angeles Lakers guard Marcus Smart is relieved he no longer has to guard Luka Doncic, who he had some battles with over the years.

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.