Probetrics — Sports Analytics
College Football slate
Iowa Hawkeyes
1-0 · #12 Elo
at
Sat, Nov 7, 12:00 AM ET
Ryan Field
Northwestern Wildcats
1-0 · #44 Elo
Spread Total Moneyline

The read

On rating alone Iowa Hawkeyes are 10.6 points better (#12 vs #44 of 240), and NU add 0.0 for home field. The clearest mismatch is the third down & red zone: IOWA third-down conversion ranks #34, NU defends it at #99; the other way NU #37 into IOWA's #23.

Who has the edge

Rating
Clear edge
IOWA
IOWA rated 10.6 points better on Elo (#44 vs #12).
Home & rest
Even
NU gets 0.0 points for home field.
Passing game
Slight edge
IOWA
IOWA passing ranks #70, NU defends it at #65; the other way NU #83 into IOWA's #30.
context · not in the margin
Rushing game
Clear edge
IOWA
IOWA rushing ranks #34, NU defends it at #107; the other way NU #58 into IOWA's #53.
context · not in the margin
Third down & red zone
Clear edge
IOWA
IOWA third-down conversion ranks #34, NU defends it at #99; the other way NU #37 into IOWA's #23.
context · not in the margin
Form (last 5)
Clear edge
IOWA
NU +16.0 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 HawkeyesNorthwestern Wildcats
1795 Elo · #12
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
IOWA +10.6 pts
1604 Elo · #44
road
Home field
not priced
home
Rest
even
−0.2 pts vs NU 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 +12.7 pts
−12.9 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 +12.0 pts
W · +16.0
+19.7
SP+ (last season)Bill Connelly's SP+ from last season, the prior the college model starts each season from.
IOWA +13.9 pts
+5.8
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

  • NU defense (#14 interceptions forced) against a IOWA offense ranked #117
  • IOWA rush success rate (#16) against a NU defense ranked #118 at stopping it
  • IOWA stuff rate (#15) against a NU defense ranked #117 at stopping it
  • IOWA line yards / rush (#15) against a NU defense ranked #112 at stopping it
  • IOWA defense (#14 yards / pass attempt allowed) against a NU offense ranked #110

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 Northwestern Wildcats defense

ranks of 135
IOWA offNU defEdge
Identity
Pass rate / Pass rate faced38%46%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).73%72%·
Plays / game5554·
Possession / game31:2827:41·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.24#70+0.24#65·
Pass success rate39%#9544%#101·
Pass explosivenessPPA on successful pass plays — how big the wins are.1.55#681.36#6NU
Yards / pass attempt6.5#1057.3#77NU
Completion %63%#5864%#102IOWA
Interception rate / Interceptions forced3.8%#1173.7%#14NU
Rushing
Rushing PPA / play+0.19#34+0.18#107IOWA
Rush success rate48%#1647%#118IOWA
Rush explosiveness0.90#980.99#84·
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.29#153.16#112IOWA
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.14%#1515%#117IOWA
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.81%#1071%#63IOWA
Yards / rush4.6#554.3#72·
Situational
Standard-down PPA+0.16#45+0.11#77IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.20#109+0.32#82NU
Third-down conversion43%#3442%#99IOWA
Points / scoring opportunityPoints per drive that reaches the opponent's 40.4.44#203.37#41·
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.11.2%#715.0%#83IOWA
Turnovers / game / Takeaways / game1.00#351.54#36·

Northwestern Wildcats offense vs Iowa Hawkeyes defense

ranks of 135
NU offIOWA defEdge
Identity
Pass rate / Pass rate faced47%50%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).70%71%·
Plays / game6153·
Possession / game32:1928:32·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.21#83+0.16#30IOWA
Pass success rate42%#6637%#25IOWA
Pass explosivenessPPA on successful pass plays — how big the wins are.1.50#961.38#8IOWA
Yards / pass attempt6.4#1106.0#14IOWA
Completion %59%#9658%#24IOWA
Interception rate / Interceptions forced2.4%#662.2%#86·
Rushing
Rushing PPA / play+0.14#58+0.08#53·
Rush success rate46%#4641%#54·
Rush explosiveness0.91#920.89#32IOWA
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.2.97#632.92#74·
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.18%#4719%#71·
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.76%#4169%#51·
Yards / rush4.7#453.6#27·
Situational
Standard-down PPA+0.08#86+0.02#24IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.31#65+0.22#41·
Third-down conversion43%#3734%#23·
Points / scoring opportunityPoints per drive that reaches the opponent's 40.3.21#1153.34#38IOWA
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.16.7%#9416.9%#44IOWA
Turnovers / game / Takeaways / game1.62#1101.08#95·

Season

IOWANU
1-0Record1-0
40.0Points for / game34.0
0.0Points against / game18.0
1-0 / 0-0Home / road1-0 / 0-0
1-0Against the spread1-0
0-1Over / underOvers–unders in this team's games. A tendency, not a lean.1-0
WLast 5W

Power ratings

IOWANU
1795Elo1604
#12 of 240Rank#44 of 240
+7.6Offense ratingPoints per game above league average scored, opponent-adjusted.+2.3
+15.1Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.+7.8
1262Strength of scheduleMean Elo of opponents faced this season.1482

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

Advanced

IOWANU
+14.6SP+ (this season)Bill Connelly's SP+ rating, points above average.+5.1
0.170Offense PPA / playPredicted points added per play, garbage time excluded (CFBD).0.151
0.080Defense PPA / playPPA allowed per play — lower is better.0.171
44% / 39%Success rate (off / def)43% / 45%
1.12 / 1.13Explosiveness (off / def)1.18 / 1.15
723Talent composite247Sports team talent composite for the current roster.688
34%Returning production89%

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

Head to head

2024NU 14 at IOWA 40IOWA · IOWA covered
2023IOWA 10 vs NU 7IOWA · NU covered

How the margin was built

Rating gap
IOWA +10.6 pts
Home field
NU +— 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.