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Patrick McCaw started real playoff games for the Golden State Warriors, so NBA Summer League ones should be no problem.

McCaw scored 26 points, Jordan Bell had another big defensive effort and the Warriors beat the Minnesota Timberwolves 77-69 on Wednesday night in their opening game of the tournament stage.

BOXSCORE: Golden State 77, Wolves 69

After losing all three games of the preliminary round, the 22nd-seeded Warriors avenged a loss to the Timberwolves in the sudden-death second overtime a night earlier and advanced to a second-round game against No. 6 Boston, which is 3-0 in Las Vegas.

The tournament began Wednesday with eight games, featuring the Nos. 9-24 seeds. The top eight seeds earned byes into the second round Thursday.

McCaw, a UNLV product who started for the eventual NBA champions in the first round while Kevin Durant was injured, was 10 for 16 from the floor back on his college campus.

Bell, a second-round pick from Oregon whose rights were acquired by the Warriors, had six points, 16 rebounds and three blocked shots. He had 11 rebounds and six blocks in the final preliminary game.

C.J. Williams, who hit the winning basket in that matchup, topped the No. 11 Timberwolves with 19 points.

The Wolves' Summer League finale is set for 3:30 p.m Friday against Washington.

In other action:

PELICANS 105, HAWKS 95

Quinn Cook had 26 points, seven assists and five rebounds as New Orleans picked up its first victory after three losses.

Cheick Diallo and Jalen Jones each added 21 points for the No. 24 seeds, who advance to face No. 8 San Antonio.

John Collins had 25 points and nine rebounds for ninth-seeded Atlanta (2-2).

NUGGETS 87, ROCKETS 81

Torrey Craig had 27 points and 11 rebounds off the bench to lead Denver to its first victory and a spot in the second round.

The Nuggets, who had dropped their first three games and are seeded 23rd, will meet the No. 7 Brooklyn Nets.

Troy Williams and Chris Johnson each scored 20 points for the No. 10 Rockets (2-2).

HEAT 89, WIZARDS 88

Justin Robinson made a go-ahead jumper with 11 seconds remaining to send No. 12 Miami into a second-round matchup with the unbeaten and fifth-seeded Los Angeles Clippers.

Robinson scored 13 of his 19 points in the fourth quarter as Miami improved to 3-1. Lamond Murray Jr. added 17 points.

Washington, the No. 21 seed, fell to 0-4 despite 18 points from Marcus Keene. Ike Diogu had 15 but his potential winning shot was blocked.