Petras, Stevens help Iowa defeat Northwestern, 33-13

Spencer Petras threw for a touchdown and ran for another, and Drew Stevens kicked four field goals as Iowa defeated Northwestern, 33-13, on Saturday. 

The Hawkeyes snapped a three-game losing streak with their highest point total of the season. 

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Northwestern had its losing streak reach seven games. 

Petras was 21 of 30 passing for 220 yards. He had a 1-yard touchdown run in the first quarter and threw a 6-yard touchdown pass to Luke Lachey late in the second quarter. 

Northwestern's Brendan Sullivan threw for 159 yards and was sacked seven times.