A few more names to toss around in the comments.
Ime Udoka is on the Celts radar
Udoka, who will be 33 years old next month, is a player that the C's have had preliminary discussions about acquiring. However, his agent Mark Bartelstein, made it clear that no deal is imminent. "There have been some talks, but nothing close to being done," Bartelstein told CSNNE.com.
While Udoka would address the team's need to add a defender on the perimeter, the Celtics have a few more players still available that they have rated ahead of Udoka.
If we actually sign Ime I'll have to do some research on him because he might have the game of Uma Thurman for all I know. And if you want some more ideas (not rumors), here are a few: