"AMES, Iowa (AP) -- Eric Hagg intercepted a pass by Iowa State holder Daniel Kuehl on a fake conversion kick in overtime and No. 9 Nebraska held off Iowa State 31-30 Saturday in a thrilling final meeting between the two schools as Big 12 rivals.
Rex Burkhead ran for 129 yards and two touchdowns for the Huskers (8-1, 4-1 Big 12), who played without star quarterback Taylor Martinez.
Burkhead ran for a 19-yard touchdown to start overtime, but Iowa State answered with a 9-yard TD pass from Austen Arnaud to Jake Williams.
The Cyclones went for the win, but Kuehl's soft toss was picked off by Hagg near the goal line.
Iowa State rallied from a 24-10 deficit to tie the game early in the fourth quarter.
Austin Cassidy put Nebraska ahead 17-10 midway through the third quarter on a 29-yard interception return, and Burkhead's 2-yard TD run made it 24-10.
The Cyclones needed just 49 seconds to tie it up at 24-all, though, as Arnaud followed a 1-yard TD plunge with a 14-yard scoring pass to Alexander Robinson with 10:40 left in the fourth quarter.
Arnaud threw for 203 yards and three TDs but also had two costly picks for Iowa State, which lost for the 29th time in its last 33 games against the Cornhuskers.
This one wasn't nearly as easy as most of their wins over the Cyclones, who tried to close out a lopsided conference rivalry dating back to 1896 by stunning the Huskers for the second straight year.
Kuehl appeared to have tight end Collin Franklin open in the end zone. But the backup punter's pass into the wind floated behind Franklin, and Hagg made the grab for the Huskers, who moved one step closer to the Big 12 North title.
Cody Green threw for just 79 in place of Martinez, who sprained his right ankle last week.
Arnaud's touchdown run capped a 75-yard drive and pulled the Cyclones within 24-17 with 11:29 left. Nebraska's Niles Paul then fumbled away the kickoff return at his own 13, and three plays later Arnaud found Robinson for a 14-yard TD pass to tie it up at 24-24.
Iowa State's Grant Mahoney, who drilled a career-long 57-yard field goal in the first half, sent a 55-yarder wide and short with 3:23 left. Nebraska's final drive of the fourth quarter stalled out at midfield, and Iowa State took a knee to force OT.
Iowa State used eight takeaways to stun the Huskers 9-7 in Lincoln last season. In the third quarter, the Cyclones were burned by turnovers.
Alex Henery's 25-yard field goal tied the game at 10-all early in the third quarter. Just 43 seconds later, Cassidy stepped in and gave the Huskers the life they'd been searching for all day.
Cassidy jumped in front of Arnaud's pass over the middle and broke right for a touchdown, putting Nebraska ahead 17-10 with 10 points in 43.
Arnaud then made another ill-advised toss, this time under pressure, and Hagg made the interception. Burkhead took a direct snap 2 yards to make it 24-10 with 21 seconds left in the third quarter.
But Nebraska's offense clearly wasn't the same without the electrifying Martinez, who was in uniform.
With backup Zac Lee nursing a sore throwing arm, Nebraska turned to Green, who started two games in 2009 but had played sparingly this season.
The Huskers didn't seem to trust Green throwing the ball in the first half, They ran on 24 of 28 plays, falling behind 10-7.
Nebraska's departure to the Big Ten in 2011 likely means the Huskers won't face Iowa State unless the pair meet up in a bowl or a nonconference game somewhere down the line.
Nebraska picks up another rival from Iowa next year in the Hawkeyes. But the Hawkeyes and Huskers will be hard-pressed to match the drama's of Saturday's Big 12 finale for Nebraska and Iowa State." (SI.COM)
Just as SI's column said, it just won't be the same next year with Nebby gone to the Big 10, I'll actually miss it.