Probetrics — Sports Analytics
College Football slate
James Madison Dukes
1-0 · #23 Elo
at
Sat, Oct 10, 12:00 AM ET
Allen E. Paulson Stadium
Spread Total Moneyline

The read

On rating alone James Madison Dukes are 14.6 points better (#23 vs #117 of 240), and GASO add 0.0 for home field. The clearest mismatch is the rushing game: JMU rushing ranks #22, GASO defends it at #134; the other way GASO #39 into JMU's #14.

Who has the edge

Rating
Clear edge
JMU
JMU rated 14.6 points better on Elo (#117 vs #23).
Home & rest
Even
GASO gets 0.0 points for home field.
Passing game
Clear edge
JMU
JMU passing ranks #51, GASO defends it at #110; the other way GASO #48 into JMU's #15.
context · not in the margin
Rushing game
Clear edge
JMU
JMU rushing ranks #22, GASO defends it at #134; the other way GASO #39 into JMU's #14.
context · not in the margin
Third down & red zone
Clear edge
JMU
JMU third-down conversion ranks #17, GASO defends it at #128; the other way GASO #31 into JMU's #6.
context · not in the margin
Form (last 5)
Clear edge
GASO
GASO +31.0 per game over the last five, JMU +7.0.
context · not in the margin
Market
not priced
No line yet.
context · not in the margin

The margin, factor by factor

James Madison DukesGeorgia Southern Eagles
1706 Elo · #23
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
JMU +14.6 pts
1444 Elo · #117
road
Home field
not priced
home
Rest
even
+3.1 pts vs GASO 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.
JMU +11.9 pts
−8.8 pts vs JMU D
W · +7.0
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.
GASO +12.0 pts
W · +31.0
+12.3
SP+ (last season)Bill Connelly's SP+ from last season, the prior the college model starts each season from.
JMU +21.7 pts
−9.4
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

  • JMU yards / rush (#6) against a GASO defense ranked #134 at stopping it
  • JMU rush success rate (#17) against a GASO defense ranked #133 at stopping it
  • JMU rushing ppa / play (#22) against a GASO defense ranked #134 at stopping it
  • JMU third-down conversion (#17) against a GASO defense ranked #128 at stopping it
  • JMU line yards / rush (#26) against a GASO defense ranked #133 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.

James Madison Dukes offense vs Georgia Southern Eagles defense

ranks of 135
JMU offGASO defEdge
Identity
Pass rate / Pass rate faced41%47%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).69%71%·
Plays / game6163·
Possession / game34:1330:29·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.29#51+0.34#110JMU
Pass success rate42%#6048%#125JMU
Pass explosivenessPPA on successful pass plays — how big the wins are.1.70#231.48#37·
Yards / pass attempt7.7#467.5#94JMU
Completion %58%#10564%#91·
Interception rate / Interceptions forced3.6%#1072.2%#85·
Rushing
Rushing PPA / play+0.21#22+0.27#134JMU
Rush success rate48%#1751%#133JMU
Rush explosiveness1.04#441.06#112JMU
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.17#263.40#133JMU
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.18%#6416%#112JMU
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.77%#3675%#96JMU
Yards / rush5.7#65.7#134JMU
Situational
Standard-down PPA+0.20#26+0.25#131JMU
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.23#96+0.33#87·
Third-down conversion47%#1746%#128JMU
Points / scoring opportunityPoints per drive that reaches the opponent's 40.3.98#434.21#117JMU
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.13.2%#3215.0%#82JMU
Turnovers / game / Takeaways / game1.14#491.46#41·

Georgia Southern Eagles offense vs James Madison Dukes defense

ranks of 135
GASO offJMU defEdge
Identity
Pass rate / Pass rate faced49%52%·
Standard-down shareShare of plays on standard downs (staying ahead of the chains).71%61%·
Plays / game6352·
Possession / game29:3125:47·
Passing
Passing PPA / playPredicted points added per pass play (CFBD).+0.29#48+0.10#15JMU
Pass success rate45%#3430%#2JMU
Pass explosivenessPPA on successful pass plays — how big the wins are.1.53#781.78#129GASO
Yards / pass attempt7.5#566.1#15JMU
Completion %63%#5651%#3JMU
Interception rate / Interceptions forced2.8%#762.4%#67·
Rushing
Rushing PPA / play+0.18#39−0.00#14·
Rush success rate47%#3433%#6JMU
Rush explosiveness0.91#891.07#116GASO
Line yards / rushYards credited to the offensive line (first 4 yards weighted). Defense column: allowed.3.22#202.32#5·
Stuff rate / Stuff rate forcedRushes stopped at or behind the line.17%#4026%#6JMU
Power successConversion rate on 3rd/4th and ≤2, or goal-to-go from the 2.72%#6857%#4JMU
Yards / rush4.4#682.8#5JMU
Situational
Standard-down PPA+0.11#64−0.02#17JMU
Passing-down PPAObvious passing situations (2nd & 8+, 3rd/4th & 5+).+0.46#17+0.12#11·
Third-down conversion45%#3129%#6·
Points / scoring opportunityPoints per drive that reaches the opponent's 40.4.09#373.41#47·
Havoc rate faced / Havoc rateTFLs, forced fumbles, interceptions and passes defensed per play.13.6%#4419.9%#7JMU
Turnovers / game / Takeaways / game1.00#291.21#78GASO

Season

JMUGASO
1-0Record1-0
20.0Points for / game31.0
13.0Points against / game0.0
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.0-1
WLast 5W

Power ratings

JMUGASO
1706Elo1444
#23 of 240Rank#117 of 240
+6.8Offense ratingPoints per game above league average scored, opponent-adjusted.−0.3
+8.5Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.+3.7
1370Strength of scheduleMean Elo of opponents faced this season.1387

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

Advanced

JMUGASO
−0.9SP+ (this season)Bill Connelly's SP+ rating, points above average.−10.8
0.208Offense PPA / playPredicted points added per play, garbage time excluded (CFBD).0.213
0.033Defense PPA / playPPA allowed per play — lower is better.0.276
45% / 31%Success rate (off / def)45% / 49%
1.30 / 1.43Explosiveness (off / def)1.23 / 1.25
588Talent composite247Sports team talent composite for the current roster.634
8%Returning production6%

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

Head to head

2025GASO 10 at JMU 35JMU · JMU covered
2024JMU 14 at GASO 28GASO · GASO covered
2023GASO 13 at JMU 41JMU · JMU covered

How the margin was built

Rating gap
JMU +14.6 pts
Home field
GASO +— 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.