Roberto Nelson scored eight of his 17 points in the game’s final 43 seconds as Oregon State beat George Mason, 58-54, in Monday’s consolation round game of the Diamond Head Classic in Honolulu.

Devon Collier added 15 points for the Beavers (7-3).

Bryon Allen had 15 points and Patrick Holloway hit four three-pointers to finish with 12 points for the Patriots (5-6).

In a close second half where Oregon State relied on its bench, it was Nelson, a starter, who helped deliver the win. Nelson was 6 of 6 from the free throw line in the game’s final 29 seconds and converted all 10 his attempts in the game.

Collier’s go-ahead layup, off an assist from Nelson, gave Oregon State a 50-49 lead with 1 minute 56 seconds left. George Mason’s Marko Gujanicic missed a three-point attempt on the next possession and Nelson hit a jumper as the shot clock expired to extend the lead to 52-49 with 43 seconds remaining.

Allen made two free throws with 31 seconds left to cut the deficit to 52-51. Nelson then made two free throws to extend the lead to 54-51 with 29 seconds remaining. George Mason couldn’t convert on its next possession and Nelson made four more free throws to seal the win.

IOWA STATE 83, AKRON 60: Georges Niang and the No. 14 Cyclones just keep rolling along. The program’s fastest start is within reach, and it looks as if Iowa State could take down a few school records this season.

Niang scored 15 of his 22 points in the second half in the Cyclones’ victory in the semifinals of the Diamond Head Classic.

“Today was a big game,” Cyclones Coach Fred Hoiberg said.

Iowa State improved to 10-0 for the second time in school history, joining the 1996-97 team that made it all the way to the Sweet 16. The Cyclones will play Boise State on Wednesday night for the tournament title.

Melvin Ejim had 21 points and 12 rebounds for Iowa State, and Dustin Hogue scored 18 points. DeAndre Kane added 15 points and 11 boards.

Reggie McAdams led Akron (6-3) with 13 points.

Iowa State erased an early eight-point deficit with a 17-3 run. Niang hit a three-pointer right before the buzzer to make it 37-31 at halftime.

Iowa State scored 46 points and shot just over 55 percent in the second half, mostly on layups and dunks. The Cyclones finished with 42 points in the paint.

Akron shot 40 percent in the half, but made just 5 of 18 three-pointers and attempted no free throws.

ARIZONA 77, NORTHERN ARIZONA 44: In Tucson, Nick Johnson scored 20 points, Rondae Hollis-Jefferson added 14 and the top-ranked Wildcats completed their second straight undefeated nonconference season at 13-0.