No. 21 UCLA overcame an injury to starting quarterback Nico Iamaleava to remain undefeated with a 17-15 victory over No. 13 Oregon on Saturday but talk after the win focused on the brutal hit to the highly touted signal caller.’Bear Alexander should be suspended for this,’ one fan wrote of the Oregon defensive tackle. ‘Dirty play.’A replay of the second-quarter tackle shows Alexander twisting Iamaleava’s facemask before appearing to punch the Bruins quarterback in the back of the head as they crashed to the turf. Ducks linebacker Jerry Mixon landed on Iamaleava’s legs, leaving the UCLA star reaching towards his ankle.Despite Mixon’s role in Iamaleava’s potential injury, it was Alexander who was facing abuse online.’Expelled from team – the portal and THE SCHOOL,’ one irate fan suggested.’Dude had zero intention of going for the ball,’ another added. No. 21 UCLA overcame an injury to starting quarterback and former five-star recruit Nico Iamaleava (pictured) to remain undefeated with a 17-15 victory over No. 13 Oregon on Saturday A replay of the second-quarter tackle shows Alexander twisting Iamaleava’s facemask before appearing to punch the Bruins quarterback in the back of the head Jerry Mixon landed on Iamaleava’s legs, leaving the UCLA star reaching towards his ankleOne fan described it as ‘perhaps one of the dirtiest plays seen in 2026.Iamaleava tried to return but ended up giving way to backup Ty Dieffenbach in the second half.’He wasn’t close to being able to come back today,’ UCLA coach Bob Chesney said. ‘I thought he got hit in the thigh. There might be a little more to it, which we’ll have to figure out as we go through the process tonight and tomorrow.’Iamaleava completed 10 of 17 passes for 162 yards and threw two interceptions for UCLA before he was hurt. Dieffenbach threw for 43 yards and a touchdown.The former five-star recruit transferred to UCLA ahead of the 2025 season from Tennessee, where he led the Volunteers to a College Football Playoff berth in 2024. Nico’s brother, Madden Iamaleava, is also rostered by the Bruins and appeared in a game against Ohio State in 2025 but did not throw a pass.Dieffenbach said the Bruins didn’t make a decision on a single backup quarterback between himself and Madden Iamaleava after the two split reps at the position throughout the week. Coaches told Dieffenbach on the field that he was entering when Nico wasn’t able to return.’They went with me, so when I heard that, it was tunnel vision, just ready to go execute,’ Dieffenbach said. UCLA quarterback Nico Iamaleava (9) is examined by head coach Bob Chesney, leftNico, meanwhile, returned to the field in the second half in a sweatshirt with a towel over his head, and followed the first-down chains up and down the sideline while joining offensive huddles during timeouts.’He’s getting everyone going — he’s a great leader,’ Dieffenbach said. ‘I’ve learned so much from him already — I’ve been with him for 10 months now — and he’s just a great guy. He and Madden, they’re great leaders. They’ve been here as older guys, and it’s just great to learn from Nico.’Chesney didn’t commit postgame to Dieffenbach as the full-time backup, and said ‘Madden’s going to be there the whole way through as well,’ in what he described as a week-to-week process. This week, Chesney said, UCLA identified a potential to run with its quarterback, and he felt Dieffenbach excelled there during practices.'(It’s) being able to keep composure and keep everyone on the same page,’ running back Wayne Knight said of the Bruins’ reaction to Iamaleava’s injury. ‘One of our leaders went down, we needed to show up for them, and I think that’s what everyone did. We came together as a unit, and we put it all on the field for him.’UCLA running back Wayne Knight ran for 103 yards on 22 carries and caught three passes for 12 yards, including a fourth-quarter, 9-yard touchdown reception from Dieffenbach for the Bruins (5-0, 1-0 Big Ten). UCLA wide receiver Jalen Saint Paul (86) dances to ‘Shout’ during the second halfThe sloppy game featured 10 turnovers, including seven for the Ducks (3-2, 1-1), who saw their chances for a spot in the College Football Playoff fade with a second loss.’From the start, we came out, we punched them, and we just kept on going,’ Knight said. ‘We had a couple of mishaps, but we bounced back every single time.’Oregon came close with Evan Stewart’s 44-yard scoring pass from Brock Thomas to make it 17-15 with 2:16 left. UCLA was flagged for a facemask penalty on Oregon’s 2-point conversion try, giving the Ducks another shot from a half yard away. UCLA’s defense smothered rusher Jordon Davison to thwart the Ducks.The Ducks had one final drive with less than a minute left but a lost fumble and fell short as time ran out.’You’ve got to protect the ball, right? You can coach it and you can say it, but if it shows up, you’re not coaching it well enough. You’re not doing a good enough job there,’ Oregon coach Dan Lanning said. Bob Chesney of the UCLA Bruins leads his UCLA Bruins team to the field before their game against the Oregon Ducks at Autzen StadiumDylan Raiola started for the Ducks at quarterback in place of Dante Moore, who remains in concussion protocol. Moore was hit in the first quarter of the Ducks’ 41-27 victory at USC on Sept. 26 and left the game by ambulance.Raiola threw for 289 yards and two touchdowns against the Trojans and made his first start for the Ducks against the Bruins. Raiola, the first backup QB to start for Oregon since Braxton Burmeister in 2017, transferred to Oregon from Nebraska in the offseason.Raiola completed only six of 18 passes for 43 yards and two interceptions for the Ducks before he was replaced in the fourth quarter by Thomas. UCLA has 10 interceptions this season, most in the nation.’The product we put out there, the product I put out there, I’ve got to live with that. So I’ve got to own everything, take it on the chin and move forward,’ Raiola said.The Bruins got to the Oregon 2 on their first series of the game, but settled for Mateen Bhaghani’s 21-yard field goal.After Iamaleava was sacked and fumbled on the UCLA 1, Oregon recovered and Davison scored with a 1-yard run on the team’s first play to put the Ducks up 7-3. UCLA linebacker Drew Spinogatti (56) celebrates their win over Oregon in Eugene Raiola was sacked and fumbled the ball away in the third quarter, and UCLA capitalized with Knight’s 35-yard touchdown run to put the Bruins up 10-6. It was Knight’s 10th scoring run of the season.UCLA had a chance to extend the lead but Matayo Uiagalelei blocked a 27-yard field goal attempt by Bhaghani.Raiola was intercepted late in the half but then Iamaleava was picked off by the Ducks on the ensuing series.Dieffenbach hit Knight with a 9-yard touchdown pass early in the fourth quarter to make it 17-6 before Oregon’s Gage Hurych made a 26-yard field goal to narrow it to 17-9 with 5:16 left in the game.UCLA hosts Wisconsin next Saturday, while Oregon welcomes Nebraska.