Pat Riley dropped an “F-bomb” on Boston Celtics general manager Danny Ainge. “Danny Ainge needs to shut the f*** up and manage his own team,” the majordomo of the Miami Heat said in a statement of which he clearly took editorial ownership. “He was the biggest whiner going when he was playing, and I know that because I coached against him.” Riley’s missive toward Ainge came after the Celtics GM chastised LeBron James for his claim that the NBA and its officials don’t