SANTA CLARA, Calif. — Taylor Rapp returned one of his two interceptions for a touchdown and Myles Gaskin ran for 159 yards to help No. 4 Washington strengthen its case for a playoff berth with a 41-10 victory over No. 9 Colorado in the Pac-12 championship game Friday night.

The Huskies (12-1, No. 4 CFP) broke open a close game when Rapp intercepted Sefo Liufau’s passes on the first two drives of the second half for a touchdown and to set up a field goal that made it 24-7.

Washington rolled from there to its first conference title since 2000 with a performance likely to keep the Huskies in the top four when the College Football Playoff bids are handed out Sunday.

It was a rough day for Colorado (10-3, No. 8 CFP) and Liufau, who was knocked out of the game after injuring his right leg on a sack on the Buffaloes’ first drive of the game. He returned to start the second half and threw three interceptions, including one on the first play from scrimmage that Rapp returned 35 yards for a score.

Liufau threw another interception on the ensuing drive and Colorado could never recover. Even a circus kick return in the third quarter couldn’t help the Buffaloes. Anthony Julmisse returned a kick to near midfield and fumbled. Phillip Lindsay scooped it up and ran down to the 2, but Colorado was held to a field goal.

From the opening kickoff that went out of bounds, little went right for the Buffaloes, who were unable to cap an impressive turnaround season with a conference title. Liufau’s injury didn’t help the cause. Steven Montez went 5 of 12 for 60 yards in the first half and was unable to generate any consistent offense, and Liufau was even worse when he returned. He threw as many interceptions in the third quarter as he had all season and was just 2 of 12 for 12 yards after going back into the game.

Washington quarterback Jake Browning also struggled, but it didn’t matter as the Huskies dominated the game with 265 yards on the ground behind Gaskin and Lavon Coleman (101 yards). Browning was 9 of 24 for 118 yards but did throw two TDs. His second touchdown was far from his prettiest throw of the season. With a defender draped all over him, Browning threw a ball up from grabs that John Ross caught one-handed in front of Chidobe Awuzie and ran in 19 yards for the score.

Browning’s 42 TDs are one shy of Jared Goff’s Pac-12 record.

(13) WESTERN MICHIGAN 29, OHIO 23: Robert Spillane intercepted a pass with 51 seconds remaining, and the Broncos (13-0, No. 17 CFP) held off Ohio (9-4) to win the Mid-American Conference championship, in Detroit.

Western Michigan led 23-7 at halftime, but Ohio rallied and had the ball in WMU territory in the final minute when Spillane intercepted Greg Windham’s pass over the middle. Spillane immediately took a knee at his own 30, then was mobbed by his teammates as a Ford Field crowd full of Broncos fans roared.

Ohio didn’t do much on offense until the final quarter, but the Bobcats still came achingly close to their first MAC title since 1968.

Instead, WMU became the first undefeated team to win the MAC title game since Marshall in 1999. The question is whether the Broncos have done enough to make it to the Cotton Bowl as the top-ranked team not among the five power conferences that get an automatic bid to a New Year’s Six bowl.