Oregon 64, No. 3 Arizona 57: Jason Calliste scored 18 points, including four 3-pointers, and the Ducks rallied from an eight-point deficit in the second half for their seventh straight victory.

Johnathan Loyd added 16 points and Mike Moser had 10 points, 10 rebounds and four steals for Oregon (22-8, 10-8 Pac-12), which likely clinched an NCAA Tournament berth by ending the Wildcats’ five-game winning streak. Calliste came off the bench to shoot 5-of-7 from the field and 4-of-5 from 3-point range.

Aaron Gordon led Arizona (28-3, 15-3) with 21 points and eight rebounds while Kaleb Tarczewski added 12 points. Nick Johnson had 11 points on 4-of-12 shooting for the Wildcats, who secured the Pac-12 regular-season title last weekend and will enter next week’s conference tournament in Las Vegas as the No. 1 seed.

Oregon shot 37.5 percent in the first half and trailed 31-29 at the break, and Arizona used a strong defensive effort to pull ahead 44-36 with less than 12 minutes remaining. Moser and Calliste answered with back-to-back 3-pointers to spark the Ducks’ comeback, and Loyd tied the game at 50 at the five-minute mark.

After Calliste’s three-point play put Oregon ahead 53-51 with just over four minutes left, Calliste and Loyd hit consecutive 3-pointers and the Ducks held on for the win in front of the first sellout crowd of the season. Oregon shot 10-for-19 from 3-point range compared to 2-for-11 for Arizona, which committed 17 turnovers and missed eight of its 19 shots from the foul line.

GAME NOTEBOOK: Loyd had three steals and tied Luke Ridnour for fourth place in school history with 150. … The last four games in the series have been decided by a total of 15 points. … Oregon G Joseph Young was held to eight points on 3-of-12 shooting, 10 points below his season average.