Playing against his former teammates for the first time, the four-time all-star scores 29 points, with a career-high five 3-pointers

The Dallas Mavericks meet the Celtics at TD Garden Friday night.

Jared Sullinger leads the way with 20 points and 11 rebounds for Boston, which avoids matching its longest losing streak of the season.

The Boston point guard is learning the ropes while playing a key role.

Boston loses its third straight as Jared Sullinger’s fallaway rims out at the buzzer.

Boston makes just one of its first 17 field goal attempts, falling behind by 25 points before rallying in the fourth quarter and falling short.

Boston welcomes three players acquired in the Rajon Rondo trade, but fall to Miami.

A day after the trade of the veteran point guard, Boston wins its third straight game as Kelly Olynyk scores 21 points.

Boston will get three players and two draft picks for the four-time all-star, who became more valuable as a trading chip than as Boston’s point guard.