LAS VEGAS (AP) — Las Vegas Raiders quarterback Gardner Minshew suffered a potentially serious injury when he was sacked and landed hard on his left shoulder late in the fourth quarter of Sunday’s loss to the Denver Broncos.

Minshew left the game holding his shoulder after being tackled by linebackers Cody Barton and Jonathon Cooper. According to multiple reportsMinshew suffered a broken collarbone that will force him to miss the remainder of the season.

“We’ll know more, but it doesn’t look good,” coach Antonio Pierce said after the Raiders lost 29-19.

With the Raiders (2-9) trailing 26-19 with 3:12 left, Minshew dropped back and scrambled to his right, and Barton and Cooper brought the 28-year-old journeyman to the turf.

Minshew was replaced by Desmond Ridder, who played just two downs before losing a fumble. He scrambled for three yards on second down and then fumbled after being sacked by Broncos linebacker Nik Bonitto. Lineman Malcolm Roach recovered and the Broncos took over at the Raiders 17.

Minshew was 25 of 42 for 230 yards with a touchdown pass and an interception. Ridder finished 5 of 10 for 64 yards.

“We obviously need to be able to execute and finalize by the end of the fourth quarter,” Ridder said. “We just have to be better offensively. We just have to perform better. When it counts, we have to be able to make those big plays.

The Raiders played without their top two running backs and two starters at cornerback, two on the defensive line and one at safety.

Sophomore quarterback Aidan O’Connell is eligible to come off injured reserve this week, which could help the Raiders as they prepare to play Kansas City on Friday.

O’Connell suffered a thumb injury on October 20 against the Los Angeles Rams.

“We need someone, right?” said Pierce. ‘We’re almost out of quarterbacks now. We’ll see what happens tomorrow. But it definitely looks like (O’Connell’s) getting better.

“He threw a little bit in practice this week. Obviously we have a short week. Play on Friday, travel on Thursday, so we have to make that decision very quickly.”

Knight said he will be ready to go if needed.

“I’ve been here almost a month now, I feel comfortable with the offense and I’m ready to go,” Ridder said. “So whatever the situation is, it’s not up to me, it’s up to the higher power. But I am ready for any situation that may arise.”

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