Boston trails by 29 points in the third quarter and gets no closer than 12 points in the fourth.

Boston started the season 2-5, but has won 8 of 11 games since. Here are five reasons why this success has staying power.

Jaylen Brown has 19 in his return from missing eight games.

Jayson Tatum scores 33 points and Dennis Schroder has 29 as Boston wins its second straight.

LeBron James missed eight games with an abdominal strain, but Jayson Tatum and the Celtics spoil his return to the lineup.

The Celtics miss a chance to climb above .500 for the first time this season.

Jayson Tatum scored 23 Monday night, but his shot has been a bit shaky. His confidence, however, has not wavered. ‘I haven’t doubted myself, not once’

Jayson Tatum scores 23 points and Dennis Schroder has six points in the final 76 seconds in Boston’s win.

Darius Garland makes two foul shots with 9.4 seconds left and Cleveland snaps Boston’s two-game winning streak.

Dennis Schroder scores eight of his 38 points in OT, rescuing Boston after it blows a six-point lead in the last 1:30 of regulation.