Nicholas converted all five of his 3-point attempts and finished with 21 points, while Riley was 4 for 5 and had 17 points for the Pilots (9-16, 2-8 West Coast), who were 11 for 16 as team from beyond the arc and shot 56 percent overall from the field. Both of Portland's conference wins this season have come against Loyola Marymount (8-15, 1-9).
Anthony Ireland scored 21 points for the Lions, who lost despite shooting 47 percent and making 5 of 9 3-point attempts.
Portland led 60-58 with 1:52 remaining but got a 3-pointer from Nicholas that sparked a 9-2 game-ending run.
Mike Brey is looking at former Notre Dame players to fill two assistant jobs that have opened up with the departures of Martin Ingelsby and Anthony Solomon.
Purdue's 2016-17 prospects got a jolt Wednesday when forward Caleb Swanigan announced he will return for his sophomore season.
Clemson's Jaron Blossomgame says he is withdrawing from the NBA draft and returning to school for a final season.