Boston rested Kevin Garnett, Ray Allen, Paul Pierce and Rajon Rondo with an eye on the play-offs, and they paid the price as John Wall's 24 points and nine rebounds led the Wizards to victory.
In the West, 23 points and 12 rebounds from Dirk Nowitzki helped the Dallas Mavericks to a 98-91 overtime win over the Houston Rockets, taking them half a game clear of the Los Angeles Lakers in second.
DJ Augustin was the star for the Charlotte Bobcats as they beat the New Jersey Nets 105-103.
Augustin had 19 points and 11 assists, but his most striking contribution was a jump shot with 1.1 seconds remaining to win a game which had been tied up by Sasha Vujacic's three-pointer moments earlier.
The Oklahoma City Thunder won their third fifth straight, using 32 and 30-point contributions from Kevin Durant and Russell Westbrook respectively to see off the Sacramento Kings 120-112.
The Cleveland Cavaliers beat the Detroit Pistons 110-101 in a game which saw Ryan Hollins and Charlie Villanueva ejected, while Dwight Howard notched up 19 points and 13 rebounds on his return from suspension, helping the Orlando Magic to a 95-85 win over the Philadelphia 76ers.