Illinois vs. Ohio State: FPI Odds and Predictions for Week 4

Illinois faces a daunting triple challenge when the team travels to Columbus to play No. 7 Ohio State in its first road game, first Big Ten conference matchup, and first ranked opponent of the year. ESPN’s Football Power Index gives the Illini a 4.7 percent chance of securing an upset victory against the Buckeyes.

The Fighting Illini enter the contest with a 2-1 record, sitting at No. 44 in the national Football Power Index rankings. Saturday’s kickoff is scheduled for 11 a.m. CT on FOX at Ohio Stadium.

Ohio State also holds a 2-1 record despite an early-season loss to Texas. Even with that defeat, ESPN’s metric places the Buckeyes at No. 1 in the country, establishing them as one of the nation’s strongest teams ahead of the conference opener.

Analytical Predictions and Win Probabilities for Week 4

Statistical models project a steep hill for Illinois to climb in Columbus. The 4.7 percent win probability assigned by the Football Power Index places the Illini in a tough spot, nearly mirroring the 3.6 percent chance Southern Illinois carried heading into Champaign earlier in the season.

For further context, Western Michigan held a 5.9 percent win probability against Michigan during the opening week of the season. Entering the previous year’s matchup against a then-No. 1 Ohio State team in Champaign, Illinois held a slightly higher projection at 17.7 percent.

Another analytical model, Bill Connelly’s SP+, paints a slightly more optimistic yet still lopsided picture. That tool grants Illinois a nine percent chance of victory while projecting a final score of 37-16 in favor of Ohio State, pointing toward a three-score margin.

Pathways to an Upset in Columbus

Projected outcomes under the Football Power Index leave a very narrow window for an Illinois victory. Under standard statistical modelling, an average or better performance from Ohio State yields an automatic win for the hosts, while a below-average outing from the Buckeyes coupled with an average or subpar showing from the Illini still favors Columbus.

A rare Illinois win requires a distinct convergence of events: Ohio State must play at its absolute floor for 60 full minutes while the Illini execute at their ceiling on both offense and defense, complemented by favorable officiating calls and fortunate bounces.

Head coach Bret Bielema and the Illini squad will kick off against Ryan Day’s Buckeyes looking to defy the mathematical projections in front of a hostile road crowd.