"We just decided as a team we're going to go out there and we don't care who we're going to play," said Oregon's Arsalan Kazemi, who had eight points and 16 rebounds.
Dotson made his first five 3-pointers to propel Oregon (28-8) into the second weekend for the first time since 2007, when it lost to eventual repeat champion Florida in the regional final. The Ducks made 8 of 11 shots from beyond the arc, while the Billikens finished 3 for 21 from long range.
After the NCAA selection committee turned some heads for seeding Oregon so low, the Ducks dismissed two favorites by a combined 30 points in San Jose. Oregon will play No. 1 overall seed Louisville next. "I'm excited but, man, it's just great to get to see those guys in the locker room all fired up," Ducks coach Dana Altman said. "And for our fans that have waited for this, and for our state, it's good."
Not so much for Saint Louis.
Kwamain Mitchell scored 18 points and Dwayne Evans had 16 points and nine rebounds for the Billikens (28-7), who set a school record for wins this season following the death of coach Rick Majerus in December. Instead of a storybook finish, Saint Louis settled for another third-round exit.
The Billikens lost in the round of 32 to No. 1 seed Michigan State last year after snapping a 12-year NCAA Tournament drought. The deepest run the school ever made was to the quarterfinals in 1952, when there were only 16 teams in the tournament.
"It's been a good ride this year," said Evans, fighting back tears. "Probably one of the funnest years of basketball I've ever played. And it's had the most adversity, so it's ironic."
Louisville 82, Colorado State 56 • Russ Smith had another big night in Lexington, Ky., leading four players in double figures with 27 points, and top-seeded Louisville is into the Midwest Region semifinals.
The Cardinals put on a defensive clinic as they dismantled Colorado State. Louisville forced the eighth-seeded Rams into a season-high 20 turnovers, made Colton Iverson look as invisible as a 6-foot-10 guy can be and limited one of the nation's best rebounding teams to 24 boards.
Michigan State 70, Memphis 48 • Michigan State is into the round of 16 of the NCAA Tournament as usual.
Gary Harris scored 16 of his career-high 23 points in the first half and the third-seeded Spartans cruised past sixth-seeded Memphis in Auburn Hills, Mich., putting the Tom Izzo-led program in the regional semifinals for the fifth time in six years and the 11th time in his career.
• No. 1 Louisville 82,No. 8 Colorado St. 56
• No. 12 Oregon 74,No. 4 Saint Louis 57
• No. 3 Michigan St. 70, No. 6 Memphis 48