During his time suiting up for the Celtics, Wallace wore only jersey No. 15 and put up 3.8 points, 5.6 rebounds, and 1.0 ...

During his time suiting up for the Celtics, Garfinkle wore only jersey Nos. 15 and 21 and put up 5.2 points and 1.5 assists ...

During his time suiting up for the Celtics, Seminoff wore only jersey No. 15 and put up 6.3 points and 3.9 assists per game.

Jokić, a candidate to be a first-ballot Hall of Famer himself, is still an active player and wears the same jersey number ...

And for today's article, we will continue with the first of 6 people to wear the No. 15 jersey, Boston forward alum Howard ...