NBA Summer League Day 8: Mavericks outlast Celtics — PHOTOS

Boston Celtics forward Jordan Walsh shoots with pressure from Dallas Mavericks forward Alex Fudge (3) and forward Jamarion Sharp (33) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward Olivier-Maxence Prosper, center, vies for a loose ball against Boston Celtics guard Jaelen House, left, and forward Anton Watson, right, during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Boston Celtics forward Anton Watson dives for a loose ball while Dallas Mavericks guard Jazian Gortman snags it during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks guard TJ Clark (35) shoots against Boston Celtics forward Anton Watson during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward Melvin Ajinca (17) dunks the ball over Boston Celtics guard Baylor Scheierman (55) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward Olivier-Maxence Prosper (18) shoots while Boston Celtics forward Anton Watson (28) defends during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

The Dallas Mavericks bench celebrates after forward Olivier-Maxence Prosper (18) scored a three-point basket during an NBA summer league basketball game against the Boston Celtics at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks guard TJ Clark (28) shoots Boston Celtics forward Tristan Enaruna (29) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Boston Celtics forward Ron Harper Jr., left, drives toward the hoop against Dallas Mavericks forward Olivier-Maxence Prosper during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward Isaiah Whaley (34) thwarts a shot by Boston Celtics forward Anton Watson (28) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Boston Celtics guard Jaelen House (41) dribbles up the court against Dallas Mavericks guard Jazian Gortman during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Boston Celtics guard Jaelen House celebrates after scoring and drawing a foul during an NBA summer league basketball game against the Dallas Mavericks at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward Melvin Ajinca (17) looks for a shot while Boston Celtics guard Ron Harper Jr. (51) defends during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks guard AJ Lawson, left, drives toward the hoop against Boston Celtics forward Anton Watson (28) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks forward AJ Lawson (9) shoots against Boston Celtics guard Jaelen House (41) during an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Dallas Mavericks guard Jarod Lucas (26) reacts after scoring during an NBA summer league basketball game against the Boston Celtics at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Balls float through the net while players warm up before an NBA summer league basketball game at Cox Pavilion on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Judah Mintz (52) passes under the net while San Antonio Spurs forward Ibrahima Diallo (53) watches the action during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers forward Justin Edwards (19) dunks the ball over San Antonio Spurs guard Jamaree Bouyea (15) during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Jeff Dowtin (11) lays the ball in against the San Antonio Spurs during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

San Antonio Spurs forward Yauhen Massalski, above, and Philadelphia 76ers center Keve Aluma vie for a loose ball during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Ricky Council IV (16) runs up the court during an NBA summer league basketball game against the San Antonio Spurs at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Ricky Council IV (16) celebrates after dunking during an NBA summer league basketball game against the San Antonio Spurs at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Judah Mintz (52) shoos against San Antonio Spurs forward Yauhen Massalski during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

The Philadelphia 76ers bench goes wild as guard Judah Mintz (52) shoots a three-point basket during an NBA summer league basketball game against the San Antonio Spurs at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Philadelphia 76ers guard Jared McCain (20) and San Antonio Spurs forward Yauhen Massalski (19) stretch for a rebound during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

San Antonio Spurs Sidy Cissoko (25) shoots against Philadelphia 76ers center Adem Bona (30) during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

San Antonio Spurs guard DJ Horne (18) struggles for a rebound with pressure from the Philadelphia 76ers during an NBA summer league basketball game at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

Fans cheer during an NBA summer league basketball game between the San Antonio Spurs and the Philadelphia 76ers at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

A fan wears a custom leather jacket during an NBA summer league basketball game between the San Antonio Spurs and the Philadelphia 76ers at the Thomas & Mack Center on Friday, July 19, 2024, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal)

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By Alex Wright Las Vegas Review-Journal

July 19, 2024 - 9:19 pm

Updated July 20, 2024 - 12:36 am

NBA SUMMER LEAGUE DAY 8

Who: All 30 NBA teams

When: Saturday to Monday

Where: Thomas &Mack Center and Cox Pavilion

Tickets: Start at $45 for single-day general admission

Friday’s scores

Phoenix 115, Milwaukee 90

Dallas 101, Boston 90

Chicago 103, Atlanta 99 (OT)

New York 91, Detroit 90

Philadelphia 96, San Antonio 80

Miami 109, Toronto 73

Golden State 90, Oklahoma City 83

Charlotte 84, Portland 68

Saturday’s schedule

Phoenix vs. Sacramento, Noon, Thomas &Mack Center, NBAtv

Milwaukee vs. Washington, 1 p.m., Cox Pavilion, ESPN

Indiana vs. Cleveland, 2 p.m., Thomas &Mack, NBAtv

New York vs. Atlanta, 3 p.m., Cox Pavilion, ESPN

Chicago vs. L.A. Lakers, 4 p.m., Thomas &Mack, NBAtv

New Orleans vs. Denver, 6 p.m., Thomas &Mack, NBAtv

Oklahoma City vs. Dallas, 8 p.m., Thomas &Mack, NBAtv

Stars of the day

DJ Steward, Chicago Bulls

Steward stole the show with his 37 points and came up with timely baskets to help Chicago hold on for a 103-99 overtime win over Atlanta.

First, he made two free throws with less than two seconds left in regulation to send the game into overtime tied at 96. He then made a running floater for the winning shot to help the Bulls reach the target score for an Elam ending. The 6-foot-2-inch guard shot 11 of 19, made eight 3-pointers and added seven assists and three rebounds.

Steward was undrafted out of Duke in 2021. He spent two seasons with the Sacramento Kings’ G-League affiliate and was with Boston’s G-League team last season, averaging 19.4 points. The Chicago native was announced as a member of the Bulls’ Summer League team this month.

Olivier-Maxence Prosper, Dallas Mavericks

It wasn’t quite revenge for the NBA Finals loss, but Prosper helped Dallas defeat Boston 101-90 to claim its first win in Las Vegas. Prosper scored 22 points, added four assists and made 8 of 14 shots. The Celtics defeated the Mavericks in five games to win the NBA title in June.

Prosper was drafted 24th overall by Sacramento in 2023, but was traded to Dallas before the end of last year’s Summer League and assigned to the G-League at the start of the season. The 6-7 forward appeared in 40 regular-season and three postseason games for Dallas.

Cole Swider, Miami Heat

Swider led an offensive onslaught to keep Miami perfect in Las Vegas. He scored 21 points and added four rebounds to help the Heat cruise past Toronto 109-73 and improve to 4-0.

The 6-8 forward hit 7 of 12 shots with four 3-pointers. He was one of five players for the Heat to score in double figures.

The third-year forward was undrafted out of Villanova. He spent most of the 2022-23 season with the Lakers’ G-League affiliate. He joined Miami on a two-way contract last season and appeared in 18 games.

Faces in the crowd

Two-time NBA All-Star Michael Finley watched the Mavericks hold off the Celtics. Finley spent nine of his 16-year career in Dallas and is currently the team’s assistant general manager and vice president of basketball operations.

New Detroit guard Malik Beasley was courtside at Cox Pavilion. The eight-year NBA veteran was a free agent this summer and signed a one-year contract with the Pistons.

Former Boston Celtics and Memphis Grizzlies standout Tony Allen was at the Thomas &Mack, which hosted the first-ever Summer League Film Festival at the Strip View Pavilion. One of the featured films is a documentary about Allen.

Alex Wright Review-Journal