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

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.

Davison, last year’s G League MVP, played on two-way contracts in each of his first three seasons with the Celtics, but that is the maximum allowed with one team.

Utah signed Springer back in March following the Celtics dealing him away at the trade deadline in a salary dump to the Houston Rockets. Houston immediately waived Springer after thar deal, leading him to sign a 10-day contract with the Jazz and eventually a three-year contract which was largely non-guaranteed.