BOSTON, Jan. 10 (Ticker) -- After acquiring one of the NBA's best defensive players, the Orlando Magic showed why they needed him.

The Magic looked defenseless in a 119-101 loss to the Boston Celtics, who had eight players in double figures led by Paul Pierce's 18 points.

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Orlando, which entered the game allowing a league-worst 100.9 points per game, traded third-leading scorer Cuttino Mobley to the Sacramento Kings for guard Doug Christie, who has been named to the NBA's All-Defensive First or Second Team in each of the last four seasons.

"Cuttino is a very good player," Magic coach Johnny Davis said. "He is a fine outside shooter so we are going to miss him. ... At the same time, Doug Christie is a multidimensional player. He will add a lot of different things and we will welcome him in."

Originally in the starting lineup, Mobley was replaced by Stacey Augmon about 30 minutes before the game started.

"I got a phone call a few minutes before (the game started)," Davis said. "Sometimes that is the way it goes and the timing of things can't be orchestrated. We just have to handle it and we didn't do a good job of that tonight."

The move upset Steve Francis, who had played his entire career with Mobley. Francis did not score until there were just under five minutes left in the first half -- after the Celtics had already taken a commanding lead.

"It was hard for me to play," Francis said. "(Mobley) is my brother. I've played my whole career with him, so I wasn't as focused as I normally am."

No team has taken advantage of the Magic's defensive woes more than the Celtics, who never trailed and set a season high for points in a regulation game. Boston's previous best also came against Orlando, a 117-101 victory on Nov. 29.

"It looks like we always play well against them," Celtics forward Jiri Welsch said. "Down in Orlando, we had a great game and tonight was a good game as well. I guess their style just works for us."

Gary Payton scored five of his 15 points in a 12-2 run in the first quarter, capping the spurt with a 3-pointer that made it 18-6 midway through the opening period.

The Magic cut the deficit to 32-28 on a jumper by rookie Jameer Nelson early in the second quarter. But rookie Tony Allen had four points and two assists in a 14-0 burst that pushed the advantage to 46-28 with 8:45 left and all but sealed the win.

Allen and fellow reserves Al Jefferson, Marcus Banks and Kendrick Perkins scored all but two points in the run, part of a 49-point effort from Boston's bench.

"The more we can rest guys, the better," Rivers said. "The fact that we had to put the starters back in, that was the only thing I didn't like about the game."

Allen scored 16 points, Welsch added 12 and rookie Al Jefferson collected 10 and 11 rebounds for Boston, which led by as many 29 in the second half.

"I didn't think Orlando had a lot in them because of the whole trade thing," Boston coach Doc Rivers said. "And I thought we played great so that was a good combination."

Nelson scored a season-high 19 points and Francis contributed 18 for Orlando, which has lost seven in a row on the road.

"Our team did not respond to the adversity of the situation," Davis said. "I thought later we tried to compete, but we we not there tonight."