The Boston Celtics broke out of their funk on Thursday as Jayson Tatum's 29-point triple-double propelled them to a 124-95 victory over Luka Doncic and the Dallas Mavericks.

The Celtics boast the best record in the NBA but had dropped two straight coming into the contest in Dallas and knew things needed to change.

"It was a tough one the other day," Tatum said in an on-court post-game interview of the Celtics' loss to the lowly Thunder in Oklahoma City on Tuesday.

"We lost two in a row but we had a responsibility just to respond, to play better. That last two games hasn't defined our season.

"We're one of the best teams and we just had to come out and play like it and get back to playing like we know how."

Tatum connected on just eight of 22 shots from the field but he added 14 rebounds and 10 assists in just his second career triple-double.

Jaylen Brown scored 19 points for the Celtics, who ended the Mavericks' seven-game winning streak.

Tatum said the Celtics defensive strategy on Doncic was to "just try and make it tough for him.

"He's obviously a hell of a player that can get any shot he wants."

Doncic, who had averaged a stunning 46.2 points, 12.7 rebounds and 10 assists over the prior five games, scored 23 and sat out the entire fourth quarter after the Celtics took a 24-point lead into the final period.

The Slovenian star, who appeared to be hindered by a sore left ankle, made seven of his 23 attempts from the field and missed all six of his three-point attempts.

Despite the defeat the Mavs remained in fourth place in the West.