Cole Netten's 42-yard field goal, on his second try, is the difference

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Iowa City, Iowa - It's a timeout that will the haunt the Hawkeyes.

Cole Netten hit a 42-yard field goal with two seconds left — and mere moments after coach Kirk Ferentz called timeout ahead of a Netten miss — as Iowa State rallied to beat Iowa 20-17 on Saturday.

Sam Richardson passed for 255 yards passing and two TDs for the Cyclones (1-2), who beat the rival Hawkeyes (2-1) for the third time in four meetings.

"It's a 50-50 shot. You either call a timeout or you don't. We called a timeout. We had one left and that's the reason I called it," said Ferentz, who fell to 7-9 against Iowa State.

Still, Iowa had plenty of chances to avoid such bad luck.

T.J. Mutcherson gave the Cyclones a spark with their first takeaway of the season, intercepting a pass by Iowa quarterback Jake Rudock and returning it to the Iowa 32. Richardson then found E.J. Bibbs with a jump pass on fourth down and inches to pull Iowa State within 14-10 in the third quarter.

Iowa State took a 17-14 lead with 7:33 left to play on Richardson's 27-yard TD pass to DeVondrick Nealy. Iowa answered with Marshall Koehn's 44-yard field goal with 4:08 to go, but those were Iowa's only points of the second half.

"They gave us some different looks on certain packages we had," said Rudock, who passed for 146 yards. "But it's just one of those things where they clearly played harder than we did."

The Cyclones went 92 yards on their initial go-ahead drive, aided by a targeting call that got Iowa safety Jordan Lomax ejected and Iowa State's Jarvis West knocked out of the game.

Koehn's game-tying kick came after he missed two field goals last week in a narrow win over Ball State.

But the Cyclones, who were held scoreless in the second half of their first two games, drove 51 yards to set up Netten's winning kick.

Iowa State outgained Iowa 337-275 and held the Hawkeyes to 129 yards rushing on 36 carries.

"To me that seemed to be the story of the game," Ferentz said. "We did a decent job in the first half. Second half we just never got in the traction. Part of that is self-inflicted and part of that is just good play on their part."