After falling behind 14-0 Saturday, No. 19 Iowa scored the next 35 points and earned its fifth-straight win this season and seventh consecutive victory over Illinois, 35-21.
The Hawkeyes improved to 5-2 while the Illini dropped to 2-4.
Iowa got within 14-13 at halftime and took the lead for good on its first drive of the second half, capped by Spencer Petras' 4-yard touchdown pass to Ihmir Smith-Marsette.
Petras finished 18 of 28 for 220 yards and three touchdowns. Smith-Marsette added 44 yards rushing and a touchdown in the fourth quarter.
0:24 4th: Iowa 35, Illinois 21
Illinois scored a consolation touchdown on Isaiah Williams' 29-yard pass to Carlos Sandy over the top of Iowa's defense.
1:56 4th: Iowa 35, Illinois 14
Ihmir Smith-Marsette went to the ground game for his second touchdown of the game.
The Iowa receiver took a jet sweep 13 yards to the end zone on the same drive he reeled off a 31-yard gain on a reverse out of the wildcat formation that saw Tyler Goodson take the snap and hand off to Ivory Kelly-Martin, who pitched it to Smith-Marsette. Receiver Tyrone Tracy Jr. also had a 21-yard run on the drive.
12:40 4th: Iowa 28, Illinois 14
Iowa is rolling in all facets now.
Let's start with the defense. Chauncey Golston and Daviyon Nixon teamed up to sack Brandon Peters for an 8-yard loss on third-and-7 from the Illinois 25.
Now to special teams. After a holding penalty, Charlie Jones scooped up the punt and returned it 18 yards to the Illini 32.
And finally, the offense. Tyler Goodson burst through the line for a 16-yard run, then Spencer Petras fitted a perfect pass to Shaun Beyer for a 16-yard touchdown that was confirmed after review. It's the senior tight end's first career TD.
8:24 3rd: Iowa 21, Illinois 14
Dane Belton dropped a third-down pass that could have gone for a pick-6, but the Iowa offense made sure it didn't matter.
The Hawkeyes used nine plays to drive 70 yards, scoring on Spencer Petras' 4-yard swing pass to Ihmir Smith-Marsette for their first lead of the game. Petras found Tyler Goodson for the ensuing 2-point conversion.
Goodson carried the ball four times for 23 yards on the drive and Petras connected on all four pass attempts for 39 yards.
0:14 2nd: Illinois 14, Iowa 13
Iowa had first-and-goal at the 4 after Spencer Petras' 21-yard pass to Shaun Beyer, but settled for a field goal after three straight incomplete passes.
The first two were overthrows intended for Ihmir Smith-Marsette and Brandon Smith in the corner, then Petras threw it away on third down.
Keith Duncan converted a 27-yard field goal to bring Iowa within one.
2:54 2nd: Illinois 14, Iowa 10
Keith Duncan's 40-yard field goal cut further into the Illinois lead.
It was a short, six-play, 32-yard drive for the Hawkeyes that started with a 13-yard pass from Spencer Petras to Brandon Smith and a 12-yard Tyler Goodson run but quickly stalled.
6:18 2nd: Illinois 14, Iowa 7
Spencer Petras converted a fourth-and-3 from the Illinois 33 by hitting an open Ihmir Smith-Marsette for an 11-yard gain, then helped the Hawkeyes get on the board on the next play.
Petras found Sam LaPorta over the middle and the tight end dove into the end zone for a 22-yard touchdown. That completed an eight-play, 52-yard drive.
13:30 2nd: Illinois 14, Iowa 0
Josh Imatorbhebhe came down with a jump ball in the end zone that was initially ruled incomplete, but overturned to a touchdown after review.
It was a 12-yard pass from Brandon Peters one play after Imatorbhebhe jumped over Riley Moss for a 25-yard reception.
The Illini went 75 yards in just eight plays.
8:10 1st: Illinois 7, Iowa 0
Illinois struck first after a mess of a first drive from Iowa. The Hawkeyes punted after starting from their 14, taking a sack on second down and using a timeout before third down with only 10 players on the field.
The Illini went 70 yards in nine plays, scoring on Brandon Peters' 24-yard strike to Daniel Barker. Illinois converted three third downs on the possession, including the TD, an 18-yard Peters pass to a diving Chase Brown and a 13-yard Peters run up the middle.
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