Celtics owner says he blocked Jazz, former Boston exec Danny Ainge from 'stealing' Joe Mazzulla in offseason | CBS Sports Headlines Celtics owner says he blocked Jazz, former Boston exec Danny Ainge from 'stealing' Joe Mazzulla in offseason Ainge and the Jazz did hire ex-Celtics assistant Will Hardy to be … Continue reading Celtics owner says he blocked Jazz, former Boston exec Danny Ainge from 'stealing' Joe Mazzulla in offseason