Probetrics — Sports Analytics
College Football slate
Purdue Boilermakers
1-0 · #122 Elo
at
Sat, Nov 14, 12:00 AM ET
Kinnick Stadium
Iowa Hawkeyes
1-0 · #12 Elo
Spread Total Moneyline

The read

On rating alone Iowa Hawkeyes are 19.6 points better (#12 vs #122 of 240), and IOWA add 0.0 for home field. The clearest mismatch is the passing game: IOWA passing ranks #70, PUR defends it at #123; the other way PUR #116 into IOWA's #30.

Who has the edge

Rating
Clear edge
IOWA
IOWA rated 19.6 points better on Elo (#12 vs #122).
Home & rest
Even
IOWA gets 0.0 points for home field.
Passing game
Clear edge
IOWA
IOWA passing ranks #70, PUR defends it at #123; the other way PUR #116 into IOWA's #30.
context · not in the margin
Rushing game
Clear edge
IOWA
IOWA rushing ranks #34, PUR defends it at #112; the other way PUR #53 into IOWA's #53.
context · not in the margin
Third down & red zone
Clear edge
IOWA
IOWA third-down conversion ranks #34, PUR defends it at #113; the other way PUR #86 into IOWA's #23.
context · not in the margin
Form (last 5)
Clear edge
IOWA
IOWA +40.0 per game over the last five, PUR +25.0.
context · not in the margin
Market
not priced
No line yet.
context · not in the margin

The margin, factor by factor

Purdue BoilermakersIowa Hawkeyes
1442 Elo · #122
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
IOWA +19.6 pts
1795 Elo · #12
road
Home field
not priced
home
Rest
even
−15.4 pts vs IOWA 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 +22.4 pts
+7.0 pts vs PUR D
W · +25.0
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 +7.5 pts
W · +40.0
−6.1
SP+ (last season)Bill Connelly's SP+ from last season, the prior the college model starts each season from.
IOWA +25.8 pts
+19.7
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 rush success rate (#16) against a PUR defense ranked #127 at stopping it
  • IOWA defense (#8 pass explosiveness allowed) against a PUR offense ranked #117
  • PUR defense (#8 interceptions forced) against a IOWA offense ranked #117
  • IOWA line yards / rush (#15) against a PUR defense ranked #121 at stopping it
  • IOWA power success (#10) against a PUR defense ranked #112 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.

Purdue Boilermakers offense vs Iowa Hawkeyes defense

ranks of 135
PUR offIOWA defEdge
Identity
Pass rate / Pass rate faced52%50%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).68%71%·
Plays / game5653·
Possession / game28:0228:32·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.14#116+0.16#30IOWA
Pass success rate43%#5337%#25IOWA
Pass explosivenessPPA on successful pass plays — how big the wins are.1.42#1171.38#8IOWA
Yards / pass attempt6.5#1086.0#14IOWA
Completion %59%#10258%#24IOWA
Interception rate / Interceptions forced1.0%#92.2%#86PUR
Rushing
Rushing PPA / play+0.15#53+0.08#53·
Rush success rate43%#7041%#54·
Rush explosiveness1.04#410.89#32·
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.2.94#662.92#74·
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.19%#7619%#71·
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.56%#13569%#51IOWA
Yards / rush4.0#933.6#27IOWA
Situational
Standard-down PPA−0.00#119+0.02#24IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.36#50+0.22#41·
Third-down conversion38%#8634%#23IOWA
Points / scoring opportunityPoints per drive that reaches the opponent's 40.3.06#1193.34#38IOWA
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.16.0%#8316.9%#44IOWA
Turnovers / game / Takeaways / game1.75#1191.08#95·

Iowa Hawkeyes offense vs Purdue Boilermakers defense

ranks of 135
IOWA offPUR defEdge
Identity
Pass rate / Pass rate faced38%43%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).73%72%·
Plays / game5557·
Possession / game31:2831:58·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.24#70+0.40#123IOWA
Pass success rate39%#9548%#127IOWA
Pass explosivenessPPA on successful pass plays — how big the wins are.1.55#681.62#101IOWA
Yards / pass attempt6.5#1059.3#133IOWA
Completion %63%#5865%#109IOWA
Interception rate / Interceptions forced3.8%#1174.2%#8PUR
Rushing
Rushing PPA / play+0.19#34+0.18#112IOWA
Rush success rate48%#1649%#127IOWA
Rush explosiveness0.90#980.86#17PUR
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.29#153.25#121IOWA
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.14%#1518%#78IOWA
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.81%#1078%#112IOWA
Yards / rush4.6#554.8#109IOWA
Situational
Standard-down PPA+0.16#45+0.27#132IOWA
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.20#109+0.26#58PUR
Third-down conversion43%#3443%#113IOWA
Points / scoring opportunityPoints per drive that reaches the opponent's 40.4.44#204.03#106IOWA
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.11.2%#715.2%#77IOWA
Turnovers / game / Takeaways / game1.00#350.75#125IOWA

Season

PURIOWA
1-0Record1-0
44.0Points for / game40.0
19.0Points against / game0.0
1-0 / 0-0Home / road1-0 / 0-0
0-1Against the spread1-0
1-0Over / underOvers–unders in this team's games. A tendency, not a lean.0-1
WLast 5W

Power ratings

PURIOWA
1442Elo1795
#122 of 240Rank#12 of 240
−0.2Offense ratingPoints per game above league average scored, opponent-adjusted.+7.6
+0.5Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.+15.1
1409Strength of scheduleMean Elo of opponents faced this season.1262

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

Advanced

PURIOWA
−2.2SP+ (this season)Bill Connelly's SP+ rating, points above average.+14.6
0.114Offense PPA / playPredicted points added per play, garbage time excluded (CFBD).0.170
0.266Defense PPA / playPPA allowed per play — lower is better.0.080
43% / 48%Success rate (off / def)44% / 39%
1.24 / 1.21Explosiveness (off / def)1.12 / 1.13
698Talent composite247Sports team talent composite for the current roster.723
48%Returning production34%

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

Head to head

2023PUR 14 at IOWA 20IOWA · IOWA covered

How the margin was built

Rating gap
IOWA +19.6 pts
Home field
IOWA +— 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.