Final: Iowa 21, Penn State 10

Iowa's Adrian Clayborn (94) blocks Penn State's Jeremy Boone's punt and ran it back for a touch down during their game Saturday September 26, 2009 at Beaver Stadium in State College, Pa. (Brian Ray/The Gazette)

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By Aaron Hepker

Story Created: Sep 27, 2009 at 1:04 AM CST

Story Updated: Sep 28, 2009 at 10:22 AM CST

STATE COLLEGE, Pa. (AP) - Adrian Clayborn returned a block punt for a touchdown and Iowa left soggy Happy Valley with an 21-10 win over No. 5 Penn State, the Hawkeyes second straight upset of the Nittany Lions.

A year after Iowa's stunning 24-23 win knocked the Nittany Lions out of the national title race, the Hawkeyes (4-0, 1-0 Big Ten) beat Penn State (3-1, 0-1) again in drenching rainstorm.

After falling behind 10-0 early, Iowa's defense shut down quarterback Daryll Clark and the Penn State offense. Broderick Binns' sack led to a safety in the second quarter.

A defensive end, Clayborn rumbled 51 yards after blocking the punt to give Iowa an 11-10 lead with 12:21 left. Clark was intercepted on the next drive, and Adam Robinson ran 13 yards for a touchdown to make it 18-10 with 8:32 left.

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