The Celtics clinched a season series sweep against the Suns with a thrilling win at TD Garden.
Despite a slow start defensively, Boston rallied with a 17-6 run in the first quarter to take a three-point lead.
Jaylen Brown and Jayson Tatum led Boston with 37 and 26 points, respectively, while Al Horford stepped up with a season-high 24 points.
Jrue Holiday narrowly missed a double-double with nine points and 10 assists.
Devin Booker scored 23 points for the Suns, supported by Bradley Beal's 22 and Kevin Durant and Grayson Allen's 20 each.
Boston secured a comfortable 127-112 victory, extending their lead to as much as 20 points in the second half.
The Celtics improve to 52-14 and will face the Washington Wizards next.
Here are three key takeaways from the game.