The Indiana Pacers opened Summer League with a 99-93 win over the Cleveland Cavaliers, and the night belonged to a player few were circling before tipoff: Rienk Mast.
With attention fixed on Braden Smith’s first NBA action, Mast delivered the most complete performance on the floor. The Nebraska big man finished with 16 points on 6-12 shooting, 11 rebounds and 3 assists. Seven of those boards came on the offensive end, and he went 5-6 on two-point tries.
His biggest moments came when the game tightened. Cleveland had clawed all the way back from a 21-point deficit and cut it to one with 2:19 left.
Then Yuki Kawamura hit Mast on a cut, Mast drew a foul and made the free throw for a three-point swing. On the very next possession, he powered in a layup through contact and finished the old-fashioned three-point play, pushing Indiana back in front by six and giving the Pacers enough breathing room to finish it off.
Smith’s shot wasn’t falling - he went 1-8 from the field in 30 minutes - but he still made his presence felt. He handed out 4 assists, grabbed 8 rebounds and came up with 3 steals. For a 5-foot-11 guard who has spent plenty of time hearing about his size, that rebound total stood out.
Indiana also used him in a variety of roles. He shared the backcourt with former Iowa State point guard Tamin Lipsey, then later played alongside the 5-foot-7 Kawamura in an extremely small lineup. Smith spent time on and off the ball, and even without the scoring, his game showed up in the details: pushing the ball quickly, making the extra pass and using his ball fake to get defenders off balance.
Jalen Slawson had a rough shooting night at 4-15, but he still found ways to matter with 6 rebounds and 5 blocks. Taelon Peter started at small forward and chipped in 13 points, 3 assists and 1 rebound while going 4-8 from the field and 3-7 from deep. Off the bench, Taevion Kinney gave Indiana a lift with 16 points on 4-6 shooting from three and finished plus-11.
Kawamura added 8 points and 4 assists in 17 minutes, and Rick Carlisle praised him on the broadcast, saying, 'He's hard not to like." His pace helped spark the bench group and kept Indiana moving.
The Pacers started slowly, as did Cleveland, but Indiana controlled the middle of the game and outscored the Cavaliers 64-42 across the second and third quarters. The Cavs made their push late, but the Pacers held up and closed it out.
Indiana is back in action Saturday at 5:30 PM EST against the Philadelphia 76ers. Philadelphia opened with a 101-93 win over Detroit on Thursday night, led by 22nd overall pick in the 2026 NBA Draft Labaron Philon Jr., who had 20 points and 7 assists.
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