Doc Rivers wants the Boston Celtics to be tough -- not violent. The message came too late for Rajon Rondo. The Celtics' point guard was ejected from Wednesday night's game against the Nets when he retaliated for a hard foul against Kevin Garnett by shoving Brooklyn forward Kris Humphries into the courtside seats. Rondo, Humphries and Nets forward Gerald Wallace were ejected, and Brooklyn held on to win 95-83.
