MLB matchup analysis

Red Sox vs Yankees Prediction, Odds and Model Pick

Wednesday, September 30, 2026 at Yankee Stadium · 8:00 PM ET

Value Watch

Leo prediction: New York Yankees moneyline

Lab Rating
7.8/10
Model lean
Yankees 58.7%
Market probability
55.5%
Model edge
+3.2%
Best moneyline
-128
Sportsbooks checked
9
Leo model
58.7%
Market
55.5%

The case for New York Yankees

Why Leo leans New York Yankees
Leo's model makes New York Yankees 58.7% to win. No single factor dominates — the bullpen tilt the same way, enough to lean New York Yankees even though it does not clear the bar for a high-confidence pick.

The case for Boston Red Sox

Team strength favors Boston Red Sox
Before any pitcher or bullpen adjustment, Leo's own team-strength model has Boston Red Sox ahead (56.1% to 56.0%). The pick still comes from New York Yankees once the pitcher and bullpen terms are applied.

Why it is not official

Below the 61.0% official gate
Win probability is 58.7%. Leo does not make a game official below 61.0%, no matter how good the price is. This is a value spot, not a high-confidence winner.

Why the setup score is what it is

Conviction: 1.85/10
Leo leans toward New York Yankees, but not strongly enough to earn full conviction credit.
Pitching plan: 38.67/40
Max Fried rates 79 on Leo's pitcher score, judged on its own merits (50-80 is the credited range). That is a strong start on its own, and it earns most or all of the available credit here.
Offense: 37.38/50
New York Yankees's recent offensive form clearly outpaces Boston Red Sox's over the tracked windows.

Why the price is what it is

Team strength: 56.0%
Before any pitcher or bullpen adjustment, Leo's team-strength model alone makes New York Yankees 56.0% to win. Everything below moves the price from this starting point.
Pitcher score gap: 3 points
The pitcher-score gap favors New York Yankees by 3 points. This is the biggest single mover of the price -- a large gap moves it a lot, a small gap barely moves it.
Bullpen adjustment: +0.036
The bullpen-fatigue gap between the two pens nudges the price toward New York Yankees. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 56.0% -> 58.7%
Team strength alone had New York Yankees at 56.0%. After the pitcher and bullpen terms, the price is 58.7% -- the same number shown as Model Lean above.
The verdict Real value, not an official bet. The +3.2% edge on New York Yankees is genuine, but below the 61.0% official gate. If you play it, you are taking on risk Leo's official card will not.
Read the full model output

New York Yankees is a value watch, not an official pick. Leo projects 58.7% against a 55.5% no-vig market number, a 3.2% model edge at -128. Lab Rating 7.8/10: conviction 1.85, pitching plan 38.67, offense 37.38. New York Yankees's pen efficiency: Effective (5.5/10). Bullpen fatigue moved this probability down 7.9 points from 66.6% (starting pitcher and team strength only) to 58.7%. It stayed a value watch because model win probability is 58.7%, below the 61.0% official-pick gate. Lineup check: New York Yankees is near its season form (-0.017 OPS); Boston Red Sox is in a cold stretch (-0.121 OPS). Recent form supports this side and is included in the unified run projection.

Final result

Red Sox 2, Yankees 9

How the analysis held up

New York Yankees won, the side Leo's model favored.

Sonny Gray (No clear pitching-plan edge) was Leo's favored starter by pitcher score, but Max Fried actually pitched better tonight: 6.0 IP, 1 ER (1.50 ERA) against 4.2 IP, 2 ER (3.86 ERA). The edge did not show up in this game.

The Boston Red Sox bullpen was not flagged pregame, but it had a night worth noting: 7 earned runs allowed over 3.1 relief innings (18.90 ERA) — quietly worse than the pregame read implied.

Game information

MatchupBoston Red Sox at New York Yankees
DateWednesday, September 30, 2026
First pitch8:00 PM ET
VenueYankee Stadium
Starting pitchersSonny Gray vs Max Fried
WeatherGame-time forecast: 66°F, 1% precipitation chance, 4 mph wind from SE.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Sonny GrayRed Sox · RHP
vs
Max FriedYankees · LHP
MetricRed SoxYankees
Pitching planTraditional starterTraditional starter
Expected innings5⅔5⅔
ThrowsRL
Leo pitcher score (higher is better)7679
ERA (lower is better)2.722.80
WHIP (lower is better)1.150.99
K/9 (higher is better)7.98.3
K-BB% (higher is better)15.1%16.4%
K% (higher is better)21.8%24.0%
BB% (lower is better)6.7%7.6%
BB/9 (lower is better)2.42.6
HR/9 (lower is better)0.90.3
Ground-ball rate49.6%50.5%
Fly-ball rate50.4%49.5%

Pitcher edge: Leo gives Max Fried a 3-point edge over Sonny Gray, driven mainly by HR/9 (0.32 vs 0.85) and WHIP (0.99 vs 1.15).

How to read this: the scorecards above name the starters; every number lives in this table.

Strikeout Projections Full strikeout projections →

Sonny Gray strikeouts
6.0 Leo projected Ks
No K play · +0.5K difference is below Leo's 0.7K threshold
Market 5.5K · O +110 / U -122 · 6 books
Max Fried strikeouts
5.0 Leo projected Ks
No K play · -0.5K difference is below Leo's 0.7K threshold
Market 5.5K · O +110 / U -122 · 6 books

Same data source as the Pitcher Matchup Tool, where every starter on the slate is compared side by side.

Both sides arrive in similar form. Red Sox are 5-5 in their last 10 and averaging 2.2 runs per game over the last 15 days; Yankees are 5-5 in their last 10 and averaging 4.9 runs per game over the last 15 days. On the season Yankees carry the better run differential per game (+0.86 against +0.48).

MetricRed SoxYankees
Last 105-55-5
Last 10 by venue (away team on the road, home team at home)4-6 on the road7-3 at home
OPS, last 15 days0.5950.703
wOBA, last 15 days (hot/cold read)0.2690.310
Runs per game, last 15 days2.24.9
K% last 15 days (lower is better)25.2%25.8%

Last 15 days only. Hot and cold streaks for all 30 teams live on the Stats page.

30-day offense

Full offense tool →
Last 30 daysRed SoxYankees
OPS0.670 (-0.047 vs szn)0.717
Runs per game3.20 (-1.053 vs szn)4.88 (+0.285 vs szn)
wOBA (model offense input)0.299 (-0.019 vs szn)0.316
K% (lower is better)24.0% (+2.3% vs szn)25.1%

Over the last 30 days the Yankees have been the better offense, 0.316 wOBA to 0.299. Yankees are striking out at 25.1% over the window — something the opposing starter can lean on.

Season profile

Full Stats page →
MetricRed SoxYankees
Record87-7593-68
Run differential / game (team quality)+0.48+0.86
Runs scored / game (offense, season)4.254.59
Runs allowed / game (defense, season, lower better)3.773.73
Season OPS0.7160.720
K% season (lower is better)21.7%24.7%
OPS vs opposing hand (season)0.7340.714

Season-long team quality, not recent form. Run differential and run environment come from the season standings; splits for all 30 teams live on the Stats page, including the run environment table.

Every team on today's slate, on any two axes you pick. Red Sox and Yankees are highlighted.

Red Sox
Combined risk
6.4 Tired
Fatigue
6.4 Tired
Efficiency
5.0 Average
Yankees
Combined risk
5.2 Normal
Fatigue
5.4 Normal
Efficiency
5.5 Effective

Risk is what the model actually uses: fatigue blended with how well the pen has pitched. High fatigue with high efficiency is a tired pen that is still getting outs.

MetricRed SoxYankees
Fatigue6.4/10, Tired5.4/10, Normal
Efficiency5.0/10, Average5.5/10, Effective
Combined risk6.4/10, Tired5.2/10, Normal
Relief innings, last 7 days30.322.7
Back-to-back arms25
7-day ERA4.152.78
7-day WHIP1.351.54

Fatigue measures workload. Efficiency measures recent run prevention. Combined risk is what the moneyline and totals systems use.

Run total projection

Full Totals Projections →
Leo projection
6.7
Market total
6.5
Projected away runs
1.4
Projected home runs
4.9
Over price
-118
Under price
+103
Boston Red Sox team total
1.4 projected
Line 2.5 · O -141 / U +120
Under research lean (-1.1)
New York Yankees team total
4.9 projected
Line 3.5 · O +105 / U -125
Over research lean (+1.4)

The model and market are close. Team totals remain research-only until their graded sample is established.

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Model outputs are not guarantees. Leo provides analysis and education only. Every official pick remains visible on the Results page. 21+. If you or someone you know has a gambling problem, call 1-800-GAMBLER.