(Eugene, OR)  --  Number-21 Oregon tagged number-two UCLA with its first loss of the season, 89-87, in Eugene.  Dillon Brooks' three at the buzzer sent the Ducks to 12-and-2.  Brooks finished with 23 points.  The Bruins fell to 13-and-1 despite 20 points apiece from Bryce Alford and Thomas Welsh.  It was the Pac-12 opener for both teams.