Bennedict Mathurin scored 27 points and No. 2 Arizona used a massive second-half run to beat No. 13 UCLA 84-76, winning the Pac-12 Tournament in coach Tommy Lloyd’s first season.

Jacob Young scored a season-high 23 points and Oregon edged No. 3 UCLA 84-81 in overtime to give coach Dana Altman his 700th career victory.

Andrew Nembhard scored 24 points, freshman Chet Holmgren showed off his unique skill set and top-ranked Gonzaga overwhelmed No. 2 UCLA 83-63 to win the Empire Classic.

Gonzaga, UCLA and Kansas hold the top three spots in first regular-season AP Top 25.

UCLA challenged top-seeded Gonzaga for 45 minutes and came up just short.

Gonzaga’s undefeated season hangs in the balance in overtime against UCLA.

11 seed UCLA held on after Alabama's Alex Reese drained a buzzer-beating 3-pointer at the end of regulation to beat the second-seeded Crimson Tide 88-78 in a Sweet 16 showdown Sunday night. AdSingleton was fouled and made two free throws for UCLA, pushing the lead to 65-62 with 4 seconds to go. But that still gave the Crimson Tide enough time to find Reese, whose tying 3-pointer splashed just before the buzzer. Jahvon Quinerly scored 20 points and John Petty Jr. had 16 for the Crimson Tide (26-7), who have lost eight of their nine games in the Sweet 16. UCLA has beaten Michigan in three of their four NCAA Tournament games, including the 1965 national championship in Portland, Oregon.

– UCLA showed plenty of fight in its overtime win over Michigan State in a First Four game in the NCAA Tournament. UCLA forced overtime with Jaime Jaquez Jr.'s three-point play with 3.3 seconds to go, then pulled away in the extra session for an 86-80 victory at Mackey Arena on Thursday night. Riley was back on the floor for a crucial free throw in overtime, and the Bruins survived to make it a good start to their 50th appearance in the NCAA Tournament. They also split their four NCAA Tournament games, with UCLA winning in 1965 and 1971 and the Cougars winning in 1950 and 1981. ___More AP college basketball: https://apnews.com/hub/college-basketball and updated NCAA Tournament bracket: https://apnews.com/hub/ncaa-mens-bracket