UCLA’s path to the finish line has shifted, and Ty Dieffenbach is now the quarterback carrying the load.
Nico Iamaleava will not return to game action this year after suffering a left knee injury on Oct. 10 at Oregon, leaving Dieffenbach to guide the Bruins through the rest of 2026 as they chase a College Football Playoff berth. That handoff hasn’t been seamless, but it also hasn’t knocked UCLA off course. The Bruins are still 7-0 and ranked top-10 nationally.
The offense, though, has changed with the switch. When Iamaleava was healthy, UCLA topped 28 points in every game.
In October, the Bruins have reached 28 only once. That drop comes with some context, since the early stretch included games against Cal, San Diego State, Purdue and Maryland, while the post-Oregon slate has featured No.
25 Wisconsin and Michigan State.
Dieffenbach, a 6-foot-6 senior in his first season as a Power Four starter, is still settling in. He’s averaging 168.3 passing yards per game, about 30 fewer than Iamaleava, but the completion numbers are close: 61.4 for Dieffenbach and 62.1 for Iamaleava. The bigger change has come in how Coach Bob Chesney has asked him to operate the offense.
Dieffenbach has been throwing more often than Iamaleava did, but the throws have come with a shorter average depth of target. In the red zone, UCLA has leaned more on the run, which has produced more rushing touchdowns and may have taken some scoring chances off Dieffenbach’s plate.
That run game matters even more now. With a healthy and well-rested Wayne Knight, the Bruins should have a chance to keep easing the pressure on their quarterback.
Knight, along with the other powerful backs, is central to helping UCLA control games, especially with a schedule that still includes Minnesota, Illinois, Michigan and USC. Minnesota owns the No. 10 scoring defense in the Big Ten, Illinois is No.
14, Michigan is No. 7 and USC is No. 13.
Even with the changes at quarterback, UCLA still owns the fourth-best scoring offense in the Big Ten through seven games. That gives Chesney a foundation, but the road ahead may still demand a huge night from Dieffenbach at some point.
If the Bruins win out, they’d meet either Ohio State or Indiana in the Big Ten Championship Game, a matchup that would matter a great deal for their College Football Playoff seeding. And if fans had been told back in October that Iamaleava would be lost early, they would have expected UCLA to be hanging on. Instead, the Bruins are still here, still unbeaten, and still very much in the fight.
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