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IOWA CITY — Brandon Sorensen walked off the mat at Carver-Hawkeye Arena one final time Sunday with a win and a reminder.

The only senior in the Iowa wrestling team’s lineup remained unbeaten as the Hawkeyes routed Northwestern 33-2, but the second-ranked 149-pounder survived a 5-4 match against fifth-ranked Ryan Deakin in overtime.

The match was decided when Sorensen was awarded a point for a technical violation after Deakin pulled on the Hawkeyes’ headgear 16 seconds into the sudden-victory session of a match that was a bit of a struggle.

Sorensen had to force the overtime, using an escape with 12 seconds remaining in the third period to tie the match after falling behind 4-3 when he was taken down by Deakin 10 seconds earlier.

The win in front of a crowd of 7,551 in Iowa’s home finale served as a well-timed reminder for Sorensen, who completes his Iowa career with a 35-3 record at home.

“It tells me it’s time to go,’’ Sorensen said. “We’re getting toward the end of the season. Guys are at their best and wrestling hard. It’s time to get the job done. It’s going fast. It’s here.’’

Coach Tom Brands hopes that message gets through to his team, which visits top-rated Penn State on Saturday.

“That was a hard match for Sorensen, but he found a way,’’ Brands said. “There are going to be a lot of matches coming up. We’ve all got to be ready.’’

Seventh-rated Iowa won nine matches against the 17th-ranked Wildcats, who lost a team point for failing to control their corner of the mat after Sorensen improved to 18-0 by finishing his home career with a 35-3 record.

Brands criticized Northwestern for the headgear violation and other antics during the match.

“If guys are going to grab headgear, they’ve got to call it," he said. "If guys are going to put a thumb in an eye, they’ve got to call it. If not, change the rules and we’ll coach it that way.’’

Four Hawkeyes collected bonus points in the victory, including major decisions by North Scott’s Mitch Bowman at 184 and Vince Turk at 141 as well as technical falls by Iowa’s two other unbeaten wrestlers, Michael Kemerer at 157 and Alex Marinelli at 165.

Bowman collected two takedowns, picked up a point for riding time during the third period of his 9-1 win over Mitch Sliga.

“He kept at it, got the major, good job,’’ Brands said.

Before Turk’s 10-2 major decision, Iowa (11-2, 6-2 Big Ten) started with decisions by third-rated Spencer Lee at 125 and Bettendorf’s Paul Glynn at 133.

Lee led 6-0 after one period of his 7-4 decision against 10th-ranked Sebastian Rivera, a match Brands felt the Hawkeye freshman “had a little left in the tank’’ despite the lack of late offense.

Glynn used a takedown with 11 seconds remaining to edge 20th-rated Colin Valdiviez, 3-2.

“He was putting me in that over under and I knew that I had to make something happen,’’ Glynn said. “I felt the arm slip there so I made the most of my opportunity. Every second of every match matters.’’

Northwestern (8-4, 3-4) earned its lone win at 174, where 17th-rated Johnny Sebastian beat Kaleb Young, 9-4.