8. Paul Pierce
The No. 10 overall pick in the 1998 draft, Paul Pierce is a major part of Celtics lore. He spent 15 seasons as a Celtic, scoring more than 24,000 of his 26,397 points in green. The 6-foot-7 small forward won a championship in 2008 while being named Finals MVP. He was a 10-time All-Star and his No. 34 has been retired by the Celtics.