No. 19 Iowa visits Northwestern at Ryan Field in Evanston on Saturday night, with the Wildcats putting an unbeaten home record on the line. The matchup that should decide it is Northwestern's ground game against Iowa's run defense. The Hawkeyes are favored, but the model leans the other way.

The Matchup

Records: Iowa 6-2 (4-1 home); Northwestern 6-2 (5-0 home)

Rankings: Iowa No. 19; Northwestern unranked

Venue: Ryan Field, Evanston, IL

Kickoff: Saturday, November 7, 7:30 p.m. ET

TV: Fox

Line (DraftKings): Iowa –2.5, O/U 43.5

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What Decides It

Northwestern's run game against Iowa's run defense is the collision that decides this one.

The Wildcats run for nearly 201 yards a game. Iowa allows 79. One of those numbers has to give on Saturday, and whichever side holds its ground controls the game.

Iowa's own ground game draws a much friendlier front. The Hawkeyes run for about 174 yards a game, and Northwestern's defense allows about 147, well more than Iowa gives up. If Iowa wins the rushing battle, the road favorite looks right.

The total is a bet on defense, and Iowa is the reason for it.

These teams combine for nearly 62 points a game, yet the total sits at 43.5. The market is trusting an Iowa defense that allows about 13 points a game and shut out its most recent opponent 30-0.

Iowa's offense is the bigger question. In its two losses over the last five games, it scored 10 and 14 points. Northwestern, by contrast, put up 42 and 45 points in October home wins.

The line and the model disagree, and the model has the better case.

DraftKings has Iowa favored, but the win-probability model gives Northwestern about a 55 percent chance. The Wildcats are unbeaten at home, and Iowa's most recent road game ended in a 13-10 loss.

Players to Watch

Northwestern Wildcats

Passing: Aidan Chiles – 139-202, 1898 YDS, 13-1 (TD-INT)

Rushing: Caleb Komolafe – 104 ATT, 618 YDS, 5 TD

Receiving: Griffin Wilde – 44 REC, 761 YDS, 5 TD

Chiles has been nearly mistake-free through the air, and Wilde is Northwestern's leading receiver. Komolafe, the Wildcats' leading rusher, is the name to watch against Iowa's run defense.

Iowa Hawkeyes

Passing: Hank Brown – 109-169, 1190 YDS, 8-3 (TD-INT)

Rushing: Kamari Moulton – 86 ATT, 541 YDS, 4 TD

Receiving: Tony Diaz – 33 REC, 461 YDS, 2 TD

Moulton carries Iowa's half of the rushing battle. Brown and Diaz face a Northwestern pass defense that allows about 227 yards a game.

Prediction

Northwestern 23, Iowa 20. Iowa's defense keeps this well below either team's season scoring rate, which makes the under the right side at 43.5. But Iowa's offense has gone quiet in its losses, while Chiles has thrown 13 touchdowns against 1 interception. In a close game, the home team with the steadier quarterback and the model's backing gets the edge.