UNIVERSITY PARK, Pa. — It took less than two minutes for powerful Penn State to take back all of the momentum Alex Marinelli gave the Iowa wrestling team with an upset Saturday.

The Hawkeyes’ 165-pounder used a six-point move in the third period to stun the Nittany Lions’ previously unbeaten and top-ranked Vincenzo Joseph, but pins in less than a minute in the next two matches pushed top-rated Penn State to a 28-13 win over Iowa in front of crowd of 15,998 at the Bryce Jordan Center.

Marinelli gave the seventh-rated Hawkeyes what proved to be a short-lived 13-9 lead, overcoming a 5-3 deficit to beat the defending national champion by a 9-6 score.

Leading 5-3 after Marinelli opened the third period with an escape, Joseph whiffed on an attempt to throw Marinelli and was taken to his back by the Hawkeyes’ redshirt freshman for a six-point move and a victory that moved him to 13-0 on the season.

Penn State’s second-rated Mark Hall at 174 and top-ranked Bo Nickal at 184 ended Iowa’s upset hopes in dominant fashion.

Hall dropped Joey Gunther in 59 seconds, and Nickal followed with a pin of Mitch Bowman in 48 seconds to push the Nittany Lions ahead 21-13.

"It unraveled in a hurry,'' Iowa coach Tom Brands said. "We have to do a better job in those situations that are mismatches on paper that our guys don't believe that. We can tell them all day long and they can tell themselves all that all day, but if they don't have a presence when they walk out there we are in trouble.''

A major decision by Shakur Rasheed at 197 and a 3-2 win by fifth-rated Nick Nevillis over Iowa’s third-rated Sam Stoll at 285 finished off unbeaten Penn State’s 13th win of the season.

Earlier in the dual, Penn State’s Zain Retherford used a pair of takedowns and more than three minutes of riding time to hand the Hawkeyes’ Brandon Sorensen his first loss in 19 matches this season by a 6-2 score.

The Nittany Lions’ top-ranked senior picked up his first points with a little over one minute remaining in the opening period, a takedown that allowed him to build the 2-1 advantage he maintained into the third period.

Retherford took a 5-1 lead with an escape 40 seconds into the final period against the second-ranked Hawkeye.

Iowa (11-3, 6-3 Big Ten) led the dual 10-9 at the midpoint, the result of bonus points collected by the two Pennsylvania natives in the Hawkeye lineup, Spencer Lee and Michael Kemerer.

Lee didn’t spend a lot of time on the mat in his first collegiate competition in his home state, pinning Penn State’s Carson Kuhn in 2 minutes, 6 seconds at 125.

The fall was the first in seven matches and the fifth of the season for Lee, who moved to 13-1 on the year in his first match against an opponent rated outside the top-seven nationally since a Jan. 5 dual against Michigan State.

Kemerer, ranked second at 157, won his 23rd consecutive match. He used a pair of first-period takedowns on his way to a 14-4 major decision over Bo Phipher, a senior filling in for injured defending nation champion and top-rated Jason Nolf.