Kemba Walker made a trio of key 3-pointers in the fourth quarter and finished with 29 points, Jaylen Brown added 25 points and 11 rebounds, and Boston beat the Dallas Mavericks 116-106 Monday night in the Celtics' first game since Gordon Hayward had surgery on his broken left hand.

Daniel Theis chipped in with 11 points and Brad Wanamaker had 10 for Boston, which won its eighth straight game since a season-opening loss at Philadelphia.

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Boston Celtics guard Jaylen Brown (7) drives to the basket against Dallas Mavericks guard Tim Hardaway Jr. (11) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Kemba Walker made a trio of key 3-pointers in the fourth quarter and finished with 29 points, Jaylen Brown added 25 points and 11 rebounds, and Boston beat the Dallas Mavericks 116-106 Monday night in the Celtics' first game since Gordon Hayward had surgery on his broken left hand.

Dallas Mavericks guard Luka Doncic, center, drives between Boston Celtics forward Jayson Tatum (0) and guard Brad Wanamaker, right, during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

Luka Doncic led the Mavericks (6-4) with 34 points, nine assists and six rebounds. Maxi Kleber had 15 points with eight boards.

Boston Celtics guard Kemba Walker (8) drives to the basket against Dallas Mavericks guard Seth Curry (30) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston trailed by two before going on an 11-2 spurt over a 1:32 stretch to move ahead 101-94 with 4:11 to play on Walker's 3 from the right wing. Marcus Smart then converted a three-point play for the Celtics.

Dallas Mavericks center Maxi Kleber (42) tries to block Boston Celtics guard Jaylen Brown (7) during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

The teams were tied at halftime before Boston opened the second half with a 15-3 surge. Smart started the run with a 3 from the right corner. Walker and Brown added 3s on consecutive possessions.

Boston Celtics guard Javonte Green (43) grabs a rebound against Dallas Mavericks forward Justin Jackson (44) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Mavericks: Porzingis didn't play in Dallas' previous game, resting as he returns from left knee surgery that sidelined him for the entire 2018-19 season. ... Dallas came in averaging 125.3 points per game on the road.

Dallas Mavericks owner Mark Cuban watches his team play the Boston Celtics during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston jumped to an 8-0 lead and led by 10 twice — once in each quarter — during the opening half.

Boston Celtics forward Jayson Tatum (0) drives to the basket against Dallas Mavericks center Maxi Kleber, rear, during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

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Jayson Tatum shot 1 for 18 from the field and scored only five points for the Celtics.

Boston Celtics guard Jaylen Brown (7) drives to the basket against Dallas Mavericks guard Tim Hardaway Jr. (11) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston Celtics guard Jaylen Brown (7) drives to the basket against Dallas Mavericks guard Tim Hardaway Jr. (11) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Luka Doncic led the Mavericks (6-4) with 34 points, nine assists and six rebounds. Maxi Kleber had 15 points with eight boards.

Kristaps Porzingis scored just four points on 1-of-11 shooting for Dallas.

The Celtics released a statement during the opening quarter that said Hayward had surgery Monday to repair a fracture in his non-shooting hand. He was injured during their previous game in San Antonio when he collided with LaMarcus Aldridge as the Spurs big man set a screen.

Dallas Mavericks guard Luka Doncic, center, drives between Boston Celtics forward Jayson Tatum (0) and guard Brad Wanamaker, right, during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

Dallas Mavericks guard Luka Doncic, center, drives between Boston Celtics forward Jayson Tatum (0) and guard Brad Wanamaker, right, during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

Boston trailed by two before going on an 11-2 spurt over a 1:32 stretch to move ahead 101-94 with 4:11 to play on Walker's 3 from the right wing. Marcus Smart then converted a three-point play for the Celtics.

Walker nailed his three big shots from beyond the arc in a span of 1:09 during the run.

Dallas took its first lead of the game, 88-86, on Tim Hardaway Jr.'s one-handed runner in the lane. The Mavericks held a 92-90 edge before Walker took over.

Boston Celtics guard Kemba Walker (8) drives to the basket against Dallas Mavericks guard Seth Curry (30) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston Celtics guard Kemba Walker (8) drives to the basket against Dallas Mavericks guard Seth Curry (30) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

The teams were tied at halftime before Boston opened the second half with a 15-3 surge. Smart started the run with a 3 from the right corner. Walker and Brown added 3s on consecutive possessions.

Doncic then started to take over, scoring nine of the Mavericks' 11 points as they closed to 84-79 at the end of the third quarter.

TIP-INS

Dallas Mavericks center Maxi Kleber (42) tries to block Boston Celtics guard Jaylen Brown (7) during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

Dallas Mavericks center Maxi Kleber (42) tries to block Boston Celtics guard Jaylen Brown (7) during the second half of an NBA basketball game in Boston, Monday, Nov. 11, 2019. The Celtics defeated the Mavericks 116-106. (AP PhotoCharles Krupa)

Mavericks: Porzingis didn't play in Dallas' previous game, resting as he returns from left knee surgery that sidelined him for the entire 2018-19 season. ... Dallas came in averaging 125.3 points per game on the road.

Celtics: C Enes Kanter returned after missing seven games with a bruised left knee. . Theis injured his right pinkie and went to the locker room early in the game. He came back to the bench and had the pinkie taped to his ring finger before going back in.

QUICK START

Boston Celtics guard Javonte Green (43) grabs a rebound against Dallas Mavericks forward Justin Jackson (44) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston Celtics guard Javonte Green (43) grabs a rebound against Dallas Mavericks forward Justin Jackson (44) during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston jumped to an 8-0 lead and led by 10 twice — once in each quarter — during the opening half.

SALUTE

The Celtics honored 103-year-old Peter Fantasia, who served in World War II, on the court during a second-quarter timeout.

Dallas Mavericks owner Mark Cuban watches his team play the Boston Celtics during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Dallas Mavericks owner Mark Cuban watches his team play the Boston Celtics during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

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Mavericks: At the New York Knicks on Thursday in Porzingis' return to Madison Square Garden against his original team.

Celtics: Host the Washington Wizards on Wednesday.

More AP NBA: https://apnews.com/NBA and https://twitter.com/AP_Sports

Boston Celtics forward Jayson Tatum (0) drives to the basket against Dallas Mavericks center Maxi Kleber, rear, during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)

Boston Celtics forward Jayson Tatum (0) drives to the basket against Dallas Mavericks center Maxi Kleber, rear, during the first quarter of an NBA basketball game in Boston, Monday, Nov. 11, 2019. (AP PhotoCharles Krupa)