MLB matchup analysis

Red Sox vs Athletics Prediction, Odds and Model Pick

Monday, July 27, 2026 at Sutter Health Park · 9:40 PM ET

Pass

LyDia decision: Pass on Red Sox vs Athletics

Lab Rating
6.3/10
Model probability
69.9%
Market probability
60.3%
Model edge
+9.6%
Best moneyline
-161
Sportsbooks checked
9
LyDia model
69.9%
Market
60.3%

The case for Boston Red Sox

Market mispricing: +9.6%
LyDia makes Boston Red Sox 69.9% to win while the no-vig market says 60.3%. LyDia rates this side +9.6% better than the price implies, and that gap is why the game is on the board.
Starting pitcher edge: 30 points
Boston Red Sox sends the clearly better starter by LyDia's pitcher score. Gaps this size are one of the model's strongest inputs.
Late-inning bullpen advantage
Athletics relievers have a 5.60 ERA over the last three days; Boston Red Sox relievers have a 4.05. If this is still close after six innings, that gap favors Boston Red Sox.

Why it is not official

Below the 72.0% official gate
Win probability is 69.9%. LyDia does not make a game official below 72.0%, no matter how good the price is. This is a value spot, not a high-confidence winner.
Setup quality below the bar
Lab Rating is 6.3/10, under the 8.0/10 required for an official pick.
Own bullpen carries risk: 6.6/10
Boston Red Sox's pen comes in tired. A lead after six innings is less safe than usual.
The verdict LyDia passes. The combined Lab Rating did not clear the official threshold.
Read the full model output

The combined Lab Rating did not clear the official threshold.

Game information

MatchupBoston Red Sox at Athletics
DateMonday, July 27, 2026
First pitch9:40 PM ET
VenueSutter Health Park
Starting pitchersPayton Tolle vs Jack Perkins
WeatherGame-time forecast: 84°F, 0% precipitation chance, 10 mph wind from SW.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Payton TolleRed Sox · LHP
3.31ERA
1.10WHIP
9.6K/9
19.1%K-BB%
vs
Jack PerkinsAthletics · RHP
6.75ERA
1.42WHIP
10.9K/9
18.2%K-BB%
MetricRed SoxAthletics
Pitching planTraditional starterTraditional starter
Expected innings5.64.5
ThrowsLR
LyDia pitcher score (higher is better)7444
BB/9 (lower is better)2.63.4
HR/9 (lower is better)0.91.6
Ground-ball rate34.9%38.1%
IP per start (higher is better)5.64.5

Pitcher edge: LyDia gives Payton Tolle a 30-point edge over Jack Perkins, driven mainly by ERA (3.31 vs 6.75) and WHIP (1.10 vs 1.42).

How to read this: the scorecards show ERA, WHIP, K/9, and K-BB%. The table adds complementary traits without repeating them. Highlighted cells mark a gap big enough to matter. HR/9 is home runs allowed per nine innings. Ground-ball rate is neither good nor bad on its own: high ground-ball pitchers trade strikeouts for double plays and fewer home runs.

Strikeout Projections Full strikeout projections →

Payton Tolle strikeouts
6.9 LyDia projected Ks
Official pick: OVER 5.5K · +1.4K difference
Market 5.5K · O -130 / U +105 · 4 books
Jack Perkins strikeouts
5.3 LyDia projected Ks
Official pick: OVER 4.5K · +0.8K difference
Market 4.5K · O -129 / U +110 · 4 books

Projections are self-calibrated against graded results (88 graded starts). Official K picks require a 0.7+ strikeout edge, a posted price from at least two books, and a confirmed non-opener workload of at least four expected innings.

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

Red Sox are 8-2 in their last 10 and averaging 5.1 runs per game over the last 15 days; Athletics are 3-7 in their last 10, averaging 4.7 runs per game over the last 15 days, and swinging above their season form. On the season Red Sox carry the better run differential per game (+0.44 against -1.19).

MetricRed SoxAthletics
Record54-5044-61
Last 108-23-7
Run differential / game (team quality)+0.44-1.19
Runs scored / game (offense)4.214.46
Runs allowed / game (defense, lower better)3.775.65
OPS, last 15 days0.7260.759
Season OPS0.7060.727
OPS change+0.020+0.032
Runs per game, last 15 days5.14.7
K% season (lower is better)22.0%22.6%
K% last 15 days21.7%20.0%
OPS vs opposing hand0.6830.725

Run differential and run environment come from the season standings; offense splits for all 30 teams live on the Stats page, including hot and cold streaks and the run environment table.

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

Red Sox
Combined risk
6.6 Tired
Fatigue
6.6 Tired
Efficiency
5.1 Average
Athletics
Combined risk
8.7 High risk
Fatigue
8.2 High risk
Efficiency
4.1 Below average

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 SoxAthletics
Fatigue6.6/10, Tired8.2/10, High risk
Efficiency5.1/10, Average4.1/10, Below average
Combined risk6.6/10, Tired8.7/10, High risk
Relief innings, last 3 days13.317.7
Back-to-back arms01
3-day ERA4.055.60
3-day WHIP1.281.36

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

Run total projection

Full Totals Projections →
LyDia projection
9.0
Market total
9.5
Projected away runs
5.2
Projected home runs
4.1
Over price
-105
Under price
-109
Boston Red Sox team total
5.2 projected
Line 5.5 · O +102 / U -120
No team-total lean
Athletics team total
4.1 projected
Line 3.5 · O -135 / U +115
No team-total lean

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. LyDia 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.