Boozer played 28 minutes, scoring 15 points to go with 10 rebounds.
"I don't know where he'll be," coach Tom Thibodeau said prior to the game. "I'm not really concerned with the injury. That part is fine. The conditioning part of it, I'm concerned about that."
Boozer entered the night averaging 14.8 points, 8.6 rebounds and 29.9 minutes in 45 games this season.
Taj Gibson started in Boozer's absence and averaged 22.7 points and 10.3 points. He came off the bench against the Nets, scoring 16 points in 31 minutes.