Dominic Artis, Carlos Emory and Tony Woods had 10 points apiece for the Ducks (13-2, 2-0 Pac-12), who have won 17 consecutive home games.
Mark Lyons scored 21 to lead the Wildcats (14-1, 2-1), who entered as one of three unbeatens in the country.
NO. 22 MICHIGAN STATE 62,
In Iowa City, Iowa, Branden Dawson scored a career-high 17 points, including a late steal and tiebreaking dunk that helped Michigan State (13-3, 2-1 Big Ten) hold off Iowa 11-5, 0-3).
Anthony Clemmons missed a free throw that would have tied it with 12 seconds to go and airballed a 3-pointer at the buzzer.
NORTH CAROLINA 59
In Chapel Hill, N.C., Kenny Kadji scored 18 points and Miami (11-3, 2-0 Atlantic Coast Conference) pulled away to beat North Carolina (10-5, 0-2).
Miami won its third in a row, claimed its first 2-0 start to ACC play since joining the conference in 2003-04 and beat North Carolina for just the third time and first since 2006.
James Michael McAdoo finished with 14 points and Reggie Bullock had 11 for North Carolina, which lost its first two league games for the first time since 2008-09.
In Nashville, Tenn., Kyle Wiltjer’s jumper with 1:57 left put Kentucky ahead to stay, and the Wildcats kicked off their Southeastern Conference schedule by holding off Vanderbilt (6-7) after blowing a 16-point lead.
Ryan Harrow led Kentucky (10-4) with 16 points.
Nerlens Noel had 13.