The Celtics have 17 Championships. :)
17 rings the Boston Celtics own
Kendrick Perkings when he won it for the Celtics in 2008
The Celtics were 62-20 in 2008-09.
The celtics have never been won.
The Celtics have won the Championship 17 times...
Celtics won 17 NBA Championship.
The Boston Celtics have won 17 titles.