Probetrics — Sports Analytics
College Football slate
Iowa Hawkeyes
1-0 · #12 Elo
at
Sat, Nov 21, 12:00 AM ET
Gies Memorial Stadium
Spread Total Moneyline

The read

On rating alone Iowa Hawkeyes are 5.8 points better (#12 vs #26 of 240), and ILL add 0.0 for home field. The clearest mismatch is the third down & red zone: IOWA third-down conversion ranks #34, ILL defends it at #122; the other way ILL #43 into IOWA's #23.

Who has the edge

Rating
Clear edge
IOWA
IOWA rated 5.8 points better on Elo (#26 vs #12).
Home & rest
Even
ILL gets 0.0 points for home field.
Passing game
Even
IOWA passing ranks #70, ILL defends it at #101; the other way ILL #21 into IOWA's #30.
context · not in the margin
Rushing game
Slight edge
IOWA
IOWA rushing ranks #34, ILL defends it at #50; the other way ILL #86 into IOWA's #53.
context · not in the margin
Third down & red zone
Clear edge
IOWA
IOWA third-down conversion ranks #34, ILL defends it at #122; the other way ILL #43 into IOWA's #23.
context · not in the margin
Form (last 5)
Clear edge
IOWA
ILL +19.0 per game over the last five, IOWA +40.0.
context · not in the margin
Market
not priced
No line yet.
context · not in the margin

The margin, factor by factor

Iowa HawkeyesIllinois Fighting Illini
1795 Elo · #12
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
IOWA +5.8 pts
1691 Elo · #26
road
Home field
not priced
home
Rest
even
+0.4 pts vs ILL D
Offense vs defenseEach offense's scoring rating against the other defense's — what drives the model total. Shown as an edge, though the winner call runs on Elo.
IOWA +10.9 pts
−10.5 pts vs IOWA D
W · +40.0
Form (last 5)Average margin over the last five games. Already inside the ratings — listed so you can see when recent form and the rating disagree.
IOWA +10.5 pts
W · +19.0
+19.7
SP+ (last season)Bill Connelly's SP+ from last season, the prior the college model starts each season from.
IOWA +6.8 pts
+12.9
MarketThe consensus spread, read as points. Compare with the model margin above it.
not priced

Bars are in points toward the favored side. Blue factors are inside the model's margin; grey ones are context it does not add on top (form and offense/defense are already in the ratings; injuries beyond the quarterback are not priced).

Dissect the matchup

CollegeFootballData, garbage time excluded · 2025 season (last season until three games are in)

Biggest mismatches

  • IOWA points / scoring opportunity (#20) against a ILL defense ranked #124 at stopping it
  • IOWA defense (#32 rush explosiveness allowed) against a ILL offense ranked #131
  • IOWA third-down conversion (#34) against a ILL defense ranked #122 at stopping it
  • IOWA power success (#10) against a ILL defense ranked #97 at stopping it
  • ILL turnovers / game (#11) against a IOWA defense ranked #95 at stopping it

A mismatch is a rank gap of at least a fifth of the league between an offense and the defense it faces on the same measure. Descriptive rows (pass rate, pace, direction) are shown for reading the game, not ranked. ▲▼ mark where the last three games sit clearly above or below the season number, in the direction that helps that side.

Iowa Hawkeyes offense vs Illinois Fighting Illini defense

ranks of 135
IOWA offILL defEdge
Identity
Pass rate / Pass rate faced38%54%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).73%72%·
Plays / game5559·
Possession / game31:2829:05·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.24#70+0.32#101IOWA
Pass success rate39%#9549%#132IOWA
Pass explosivenessPPA on successful pass plays — how big the wins are.1.55#681.35#5ILL
Yards / pass attempt6.5#1056.6#45ILL
Completion %63%#5864%#93IOWA
Interception rate / Interceptions forced3.8%#1171.4%#124·
Rushing
Rushing PPA / play+0.19#34+0.07#50·
Rush success rate48%#1641%#53IOWA
Rush explosiveness0.90#980.92#50ILL
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.29#152.88#68IOWA
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.14%#1519%#70IOWA
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.81%#1075%#97IOWA
Yards / rush4.6#554.0#51·
Situational
Standard-down PPA+0.16#45+0.12#87IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.20#109+0.39#112·
Third-down conversion43%#3445%#122IOWA
Points / scoring opportunityPoints per drive that reaches the opponent's 40.4.44#204.33#124IOWA
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.11.2%#715.3%#76IOWA
Turnovers / game / Takeaways / game1.00#351.23#76IOWA

Illinois Fighting Illini offense vs Iowa Hawkeyes defense

ranks of 135
ILL offIOWA defEdge
Identity
Pass rate / Pass rate faced48%50%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).71%71%·
Plays / game5853·
Possession / game30:5528:32·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.41#21+0.16#30·
Pass success rate48%#1437%#25·
Pass explosivenessPPA on successful pass plays — how big the wins are.1.57#551.38#8IOWA
Yards / pass attempt8.2#266.0#14·
Completion %67%#1758%#24·
Interception rate / Interceptions forced1.6%#272.2%#86ILL
Rushing
Rushing PPA / play+0.08#86+0.08#53IOWA
Rush success rate48%#1541%#54ILL
Rush explosiveness0.80#1310.89#32IOWA
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.04#522.92#74·
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.19%#8019%#71·
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.73%#5769%#51·
Yards / rush3.9#983.6#27IOWA
Situational
Standard-down PPA+0.14#52+0.02#24IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.37#43+0.22#41·
Third-down conversion42%#4334%#23·
Points / scoring opportunityPoints per drive that reaches the opponent's 40.4.21#293.34#38·
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.15.5%#7016.9%#44·
Turnovers / game / Takeaways / game0.85#111.08#95ILL

Season

IOWAILL
1-0Record1-0
40.0Points for / game42.0
0.0Points against / game23.0
1-0 / 0-0Home / road1-0 / 0-0
1-0Against the spread0-1
0-1Over / underOvers–unders in this team's games. A tendency, not a lean.1-0
WLast 5W

Power ratings

IOWAILL
1795Elo1691
#12 of 240Rank#26 of 240
+7.6Offense ratingPoints per game above league average scored, opponent-adjusted.+4.6
+15.1Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.+7.2
1262Strength of scheduleMean Elo of opponents faced this season.1396

Elo drives the winner call. Offense/defense ratings drive the total.

Advanced

IOWAILL
+14.6SP+ (this season)Bill Connelly's SP+ rating, points above average.+10.4
0.170Offense PPA / playPredicted points added per play, garbage time excluded (CFBD).0.210
0.080Defense PPA / playPPA allowed per play — lower is better.0.198
44% / 39%Success rate (off / def)48% / 45%
1.12 / 1.13Explosiveness (off / def)1.17 / 1.19
723Talent composite247Sports team talent composite for the current roster.704
34%Returning production21%

Advanced stats are from 2025 until this season has about three games. Source: CollegeFootballData.

Head to head

2023ILL 13 at IOWA 15IOWA · ILL covered

How the margin was built

Rating gap
IOWA +5.8 pts
Home field
ILL +— pts
Rest
Even
Weather / roof
— pts on the total
Model margin
Model total

Market

Spread
Total
Moneyline

Per-book prices appear once the multi-book feed has this game (about a week out).

Informational only. Winner probabilities are backtested and calibrated; spread and total calls are tracked leans. 21+, 1-800-GAMBLER.