Gerald Green isn't the only player to return for a second tour with the Celtics. Here are five others . . . some of whom you may have forgotten.
Avery Bradley’s all-out style of defense has been a major factor in him being sidelined for an extended period of time in each of his six NBA seasons.
The Colin Kaepernick-inspired protests have some Celtics, like Jae Crowder thinking about how to apply 'positive energy' to the issue.