Former Nebraska big man Rienk Mast wasted no time making his presence felt in NBA Summer League.
Just weeks after landing an Exhibit 10 deal with the Indiana Pacers, the Netherlands native turned in a strong professional debut Friday, helping Indiana knock off the Cleveland Cavaliers 99-93. Mast put up a double-double with 16 points, 11 rebounds and three assists.
The 6-foot-10, 250-pound forward/center led the Pacers in scoring and did it efficiently, shooting 6-for-12 from the floor in 32 minutes. He added the boards, the playmaking and only gave it away once.
The one blemish was a minus-9 plus/minus, but Indiana still walked away with the win and moved to 1-0 on the summer. The Pacers’ next game comes Saturday afternoon against the Philadelphia 76ers.
Mast’s college production explains why he got this shot. Across 154 games, he piled up 1,894 points, 1,094 rebounds and 351 assists. He arrived in Lincoln through the transfer portal from Bradley before the 2023-24 season, after putting up 1,001 points and 657 rebounds in three years with the Braves.
Once at Nebraska, Mast quickly became a centerpiece of the offense during the Huskers’ run to the NCAA Tournament in 2023-24. He started 32 games that season and averaged 12.3 points, 7.5 rebounds and 3.0 assists per game, leading the team in rebounds and assists while ranking third in scoring. Nebraska won 23 games that year, and Mast earned third-team All-Big Ten honors from the league’s coaches.
His next chapter was interrupted by injury. Mast suffered a season-ending injury in May of 2024 and sat out the 2024-25 season before coming back for his final year.
In 2025-26, Nebraska set the program record with 28 wins, and Mast averaged 13.3 points, 5.8 rebounds and 3.1 assists per game. He also delivered the third triple-double in program history against FIU and finished his Husker career with Honorable-Mention All-Big Ten recognition.
Mast is one of four former Nebrasketball players in the 2026 NBA Summer League. Sam Hoiberg is with the Phoenix Suns, Josiah Allick is with the Charolette Hornets, and Brice Williams is with the Detroit Pistons.
Hoiberg, who also signed with an NBA team after the 2026 NBA Draft as an undrafted free agent, was recognized on both the Big Ten All-Defensive and Honorable Mention teams after the 2025-26 regular season. In his final season in Lincoln, the Pius X graduate set Nebraska’s single-season assist-to-turnover ratio mark at 3.75-1. He didn’t take a shot in Friday’s Summer League debut, but he grabbed four rebounds and recorded a steal in Phoenix’s 81-79 win over the Portland Trail Blazers’ squad.
Williams helped Nebraska win the inaugural College Basketball Crown and capped his senior season in 2024-25 by earning First-Team All-Big Ten honors from both the coaches and media. He spent last season with the Pistons’ G-League affiliate, the Motor City Cruise.
Allick’s only season in Lincoln came in 2023-24 after previous stops at New Mexico and Missouri-Kansas City. The Lincoln product appeared in 33 games and made 27 starts while helping Nebraska reach its first NCAA Tournament since 2014. Since 2025, he has played for the Hornets’ G-League affiliate, the Greensboro Swarm.
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