The roster is also healthier with the recent return of Kristaps Porzingas to go with Tatum, Jaylen Brown and much more ... it's Grizzlies guard Marcus Smart. This will be his second time returning ...

On this day in Boston Celtics history, veteran Celtics guard Marcus Osmond Smart was born in Flower Mound ... that as a kid you looked forward to," Tatum said via the AP. "When those opportunities ...