WALTHAM, Mass. -- Boston Celtics point guard Rajon Rondo has been suspended for two games for his involvement in an on-court altercation during Wednesday's loss to the Brooklyn Nets, the NBA announced Thursday.

Additionally, Nets forward Gerald Wallace was fined $35,000. Celtics center Kevin Garnett was fined $25,000 for "escalating the altercation."

Rondo, Wallace and Brooklyn's Kris Humphries were ejected from Wednesday's game after a confrontation spilled into the stands. Garnett received a technical foul, but was not ejected.

Speaking during his weekly appearance on Boston sports radio WEEI, Celtics president of basketball operations Danny Ainge divulged the length of the suspension but didn't care to analyze it.

"I don't want to get into that," Ainge said when asked if the punishment fit the crime. "Maybe a little bit excessive in my mind. I think that it escalated into the crowd. I think that's probably part of it. But, anyways, it's disappointing. It's frustrating."

Added Ainge: "I'll talk to Rondo about it and I'll leave it at that."

Nets general manager Billy King disagreed with the disciplinary measures sent down by Stu Jackson, the NBA's executive vice president of basketball operations.

"Let's just put it this way: I had a lengthy conversation with Stu Jackson in which we agreed to disagree," King said. "Stu has a tough job at the league, and they make decisions, (that) from a team standpoint, you don't agree with, but they have to make tough decisions. I don't want to share my conversation with him because I don't think that's fair because his job is tough."

This is Rondo's third suspension over a nine-month span. He also received a two-game ban in February for zipping a ball at an official in Detroit and then a one-game suspension in April for making contact with an official during Game 1 of the Eastern Conference quarterfinal series in Atlanta.

On Wednesday, Rondo took exception after Humphries delivered a hard foul that sent Garnett crashing hard onto his back in the second quarter. Rondo immediately confronted Humphries, delivering a two-handed shove.

The two then got tangled, with Rondo the aggressor, and the shoving spilled into the stands beneath the basket in front of the Celtics' bench. Players and coaches from both teams rushed onto the court, with security and team personnel trying to defuse the situation.

Garnett said Thursday that Humphries has a reputation for being out of control.

"When you watch film on the dude, he's always extra," Garnett said on WEEI. "We watched him on film the last time we played him in Brooklyn and he kind of gave Paul (Pierce) a similar type of foul, two hands, had something on it. Dude's always been known to be out of control. He's always tried to play the tough guy or whatever role you want to do it. It was a little extra, but it comes with the territory and it comes with the game. ... I guess they're trying to hold up to the whole Brooklyn mentality."

In addition to Garnett's comments, Celtics guard Jason Terry called Humphries soft. Does he care what they say?

"Nah. I don't care," Humphries told reporters in Orlando on Friday in a video posted on the Nets' official website. "When a team loses a game, they want to sit there and point fingers. You gotta focus on yourself and what your own team is doing when you lose."

Ainge suggested Rondo is unlikely to appeal the suspension, one that some observers suggested could have been much longer after spilling into the crowd. Rondo will sit out Friday's game against the Portland Trail Blazers and Saturday's contest against the Milwaukee Bucks. His first game back should be a visit from the Minnesota Timberwolves next Wednesday at TD Garden.