Oregon beat Nebraska 17-14 with a touchdown pass with 28 seconds left.
Nebraska led 14-6 when the fourth quarter started in Eugene.
Coach Dan Lanning turned to Dylan Raiola at the start of the fourth quarter.
Raiola led a 17-play drive that ended with a field goal.
His next drive went 20 plays and 82 yards.
Raiola threw a 4-yard touchdown pass to Jamari Johnson.
Raiola played two seasons at Nebraska before moving to Oregon.
Oregon benched Raiola a week earlier after three turnovers against UCLA.
Brock Thomas started in place of the hurt Dante Moore.
A third loss might have ended Oregon's playoff hopes.
Raiola looks set to start until Moore is ready.
Raiola told reporters his team stayed locked in till the end.
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