Danny Ainge has no regrets about trading Kendrick Perkins in 2011. Ainge, the Boston Celtics’ general manager and president of basketball operations, made the revelation to the “Toucher & Rich” podcast on Boston’s radio station 98.5 “The Sports Hub” on April 4 (via MassLive’s John Karalis). “I do not. Not at all. Perkins was hurt. […]