Probetrics — Sports Analytics
College Football slate
Grambling Tigers
0-1 last yr · #120 Elo
at
Sat, Sep 12, 8:00 PM ET
Amon G. Carter Stadium · 100° · 17 mph wind · Partly sunny
TCU Horned Frogs
0-1 · #52 Elo
Spread Total Moneyline GRAM +2757 · TCU -3900
WinnerProbability the picked team wins, from a normal on the model's predicted margin. Backtested and calibrated: when it says 65%, it has been right about 63–65% of the time.Strong
TCU -3900
76%
model margin TCU by 12.1
SpreadWhich side the model's margin lands on versus the spread. A lean, not a proven edge: against closing NFL lines the model covers about 49% in backtest, so this is tracked in public rather than sold.
No line
TotalModel total (scoring ratings + weather + roof) versus the posted total. Same caveat as the spread: a lean, tracked in public.
No line
model total 52.4

The read

On rating alone TCU Horned Frogs are 7.9 points better (#52 vs #120 of 240), and TCU add 3.1 for home field; TCU carry a rest edge worth 1.1.

Who has the edge

Model: TCU by 12.1
Rating
Clear edge
TCU
TCU rated 7.9 points better on Elo (#52 vs #120).
Home & rest
Clear edge
TCU
TCU gets 3.1 points for home field and TCU 1.1 for rest.
Passing game
not priced
Ranks unavailable.
context · not in the margin
Rushing game
not priced
Ranks unavailable.
context · not in the margin
Third down & red zone
not priced
Ranks unavailable.
context · not in the margin
Form (last 5)
Clear edge
TCU
TCU −5.0 per game over the last five, GRAM −70.0.
context · not in the margin
Market
not priced
No line yet.
context · not in the margin

The margin, factor by factor

Model: TCU by 12.1
Grambling TigersTCU Horned Frogs
1443 Elo · #120
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
TCU +7.9 pts
1585 Elo · #52
road
Home field
TCU +3.1 pts
home
7d
Rest
TCU +1.1 pts
14d
−11.0 pts vs TCU 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.
TCU +19.2 pts
+8.2 pts vs GRAM D
L · −70.0
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.
TCU +32.5 pts
L · −5.0
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)

Season

GRAMTCU
0-1Record0-1
0.0Points for / game10.0
70.0Points against / game15.0
0-0 / 0-1Home / road0-1 / 0-0
0-1Against the spread0-1
1-0Over / underOvers–unders in this team's games. A tendency, not a lean.0-1
LLast 5L

Season numbers are from 2025 until this season has games.

Power ratings

GRAMTCU
1443Elo1585
#120 of 240Rank#52 of 240
−3.7Offense ratingPoints per game above league average scored, opponent-adjusted.+1.8
−6.5Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.+7.3
Strength of scheduleMean Elo of opponents faced this season.1412

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

Head to head

No meetings in our history.

How the margin was built

Rating gap
TCU +7.9 pts
Home field
TCU +3.1 pts
Rest
TCU +1.1 pts
Weather / roof
-1.9 pts on the total
Model margin
TCU by 12.1
Model total
52.4 vs —

Market · 1 books

Spread
Total
Moneyline
GRAM +2757 · TCU -3900
Best price
GRAM +2757 polymarketus · TCU -3900 polymarketus
BookTCU spreadTotalGRAM MLTCU ML
polymarketus+2757-3900

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