Rondo will miss his third straight game because of a sprained right wrist sustained in a fall Wednesday night against the Toronto Raptors. He lobbied to play, but team doctors opted for the cautious approach. Rivers suggested Rondo should be back Thursday in Orlando for the back end of this home-and-home.
Allen suffered a jammed left ankle in Sunday's win in Washington and, while Rivers said MRIs of the ankle were negative, Allen was not ready to play. Rivers did not offer a timetable for his return.
Pietrus suffered a shoulder injury on Sunday that didn't flare up until after the game. Rivers said Pietrus is unable to lift his arm above his ear, so, Rivers cracked, "That would have been tough to get a shot off, and I know he would try." Pietrus will get an MRI to determine the severity of the injury.
Dooling will miss his seventh straight game with a right knee ailment, but Rivers suggested he might be back on the court for Thursday's game in Orlando.
Wilcox will miss his sixth game in a row -- and ninth for the season -- as he recovers from a left calf injury. Rivers didn't offer a timetable on his return.
Asked about how the Celtics can function without a third of their roster, Rivers said, "We play the other guys. That's what you do, really."
Chris Forsberg covers the Celtics for ESPNBoston.com.