Boston's basketball team defeated Washington 146:101, handing the Wizards their heaviest defeat this season in the NBA.
The Celtics improved their score to 13/9, while Washington now has three wins and 18 losses.
Boston was led to victory by Derrick White with 30 points, Jordan Walsh with 22 and Peyton Pritchard with 20.
CJ McCollum was the most efficient player for Washington with 22 points.
The LA Lakers defeated Toronto 123:120 on the road, thanks to a three-pointer by Rui Hachimura, assisted by LeBron James.
LeBron had eight points, ending a streak of 1.297 games with double-digit scoring in the regular season.
The most efficient player on the Lakers team, who played without Luka Dončić, was Austin Reeves with 44 points.
And Philadelphia defeated Golden State 99:98 on its home court.
The winning team's most efficient player was Tyrese Maxey with 35 points, Jaleel Embiid added 12, while rookie VJ Edgecomb scored 10, including the decisive points with one second left in the game.
Pat Spencer stood out for the Warriors with 16 points.
Utah won away against Brooklyn 123:110.
Lauri Markkanen with 30 and Kiyonte George with 29 points were the best individuals for the Jazz, while Noah Clowney stood out on the other side with 29.
Minnesota also recorded an away win, beating New Orleans - 125:116.
Minnesota was led by Julius Randle with 28 points to its fourth consecutive victory.
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