During his time suiting up for the Celtics, Duncan wore only jersey No. 21 and put up 2.1 points and as many rebounds per ...

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 with the Celtics, Allen wore only jersey No. 20 and put up 16.7 points, 3.4 rebounds, and 2.7 assists per ...

During his time suiting up for the Celtics, Hayward wore only jersey No. 20 and put up 13.9 points, 5.4 rebounds, and 3.6 ...

And for today's article, we will continue with the 20th of 31 people to wear the No. 20 jersey, Boston guard alum Marlon ...