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Matchup preview

Iowa vs Illinois

Iowa visit Illinois in Week 12. The model favors Iowa by 4.4. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
61%
39%

Model win probability from SP+ ratings + home-field edge.

Tale of the tape
Percentile vs FBS · 2025
#12SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#24
#18FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#30
1937EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1595
0.8%Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.0.8%
IowaIllinoissolid = better, faded = trailing
What these metrics mean
SP+. SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.
FPI. FPI: ESPN's Football Power Index, an overall measure of team strength.
Elo. Elo: a rating that rises or falls after each game based on the result and the quality of the opponent.
Title odds. De-vigged consensus probability to win the national title, averaged across the prediction markets we track.
Off PPA. PPA (Predicted Points Added): the average point value each play adds. Higher is better for offense, lower for defense.
Success. Success rate: the share of plays that stay on schedule (roughly 50% of needed yards on 1st down, 70% on 2nd, 100% on 3rd/4th). Higher is better.
Explosive. Explosiveness: the average value of a team's successful plays, i.e. how big its good plays are when they hit.
Yards/game. Total yards gained per game.
Success allowed. How often the defense allows an on-schedule play (enough yards for the down). Lower is better.
Havoc. Havoc rate: the share of plays where the defense makes a tackle for loss, forced fumble, interception, or pass breakup.
Yards allowed. Total yards allowed per game. Lower is better.
Efficiency profile
Percentile vs FBS · 2025
Recent series
Iowa lead 9-1
20142023
Head to head
Every meeting in our records
2023
15-13
Iowa
at Iowa
2022
9-6
Illinois
at Illinois
2021
33-23
Iowa
at Iowa
2020
35-21
Iowa
at Illinois
2019
19-10
Iowa
at Iowa
2018
63-0
Iowa
at Illinois
2017
45-16
Iowa
at Iowa
2016
28-0
Iowa
at Illinois
2015
29-20
Iowa
at Iowa
2014
30-14
Iowa
at Illinois
FAQ

Frequently asked questions

When do Iowa and Illinois play?

Week 12 of 2026, on Nov 21, 2026 at Illinois.

Who is favored?

The model projects Iowa by 4.4 (61% win probability), from SP+ ratings.

What is the all-time series?

Iowa lead 9-1 over the meetings in our records.

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