MLB matchup analysis

Red Sox vs Rangers Prediction, Odds and Model Pick

Tuesday, September 15, 2026 at Globe Life Field · 8:05 PM ET

Watchlist

LyDia prediction: Texas Rangers moneyline

Lab Rating
6.8/10
Model lean
Rangers 72.3%
Market probability
51.4%
Model edge
+20.9%
Best moneyline
-111
Sportsbooks checked
8
LyDia model
72.3%
Market
51.4%

The case for Texas Rangers

Starting pitcher edge: 29 points
LyDia gives Jacob deGrom a 29-point edge over Patrick Sandoval, driven mainly by WHIP (1.08 vs 1.79) and K-BB% (24.8% vs 12.4%).
Bats are hot: +0.018 wOBA
Texas Rangers is outhitting its own season form over the last 15 days. Recent form is context, not a model input, but it points the same way here.

The case for Boston Red Sox

Late-inning bullpen advantage
Texas Rangers relievers have a 6.43 ERA over the last 7 days; Boston Red Sox relievers have a 1.84. Texas Rangers also have 7 arms pitching on back-to-back days, against 4 for Boston Red Sox. If this is still close after six innings, that gap favors Boston Red Sox.
Team strength favors Boston Red Sox
Before any pitcher or bullpen adjustment, LyDia's own team-strength model has Boston Red Sox ahead (62.1% to 48.7%). The pick still comes from Texas Rangers once the pitcher and bullpen terms are applied.

Why it is not official

Setup quality below the bar
Lab Rating is 6.8/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 7.8/10
The Texas Rangers bullpen comes in tired. A lead after six innings is less safe than usual.

Why the setup score is what it is

Conviction: 8.66/10
LyDia's win probability for Texas Rangers (72.3%) is well clear of a coin flip -- this is a real, stated lean, not a guess.
Pitching plan: 30.67/40
Jacob deGrom rates 73 on LyDia'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: 28.33/50
Texas Rangers's recent offensive form clearly outpaces Boston Red Sox's over the tracked windows.

Why the price is what it is

Team strength: 48.7%
Before any pitcher or bullpen adjustment, LyDia's team-strength model alone makes Texas Rangers 48.7% to win. Everything below moves the price from this starting point.
Pitcher score gap: 29 points
The pitcher-score gap favors Texas Rangers by 29 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: -0.081
The bullpen-fatigue gap between the two pens nudges the price toward Boston Red Sox. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 48.7% -> 72.3%
Team strength alone had Texas Rangers at 48.7%. After the pitcher and bullpen terms, the price is 72.3% -- the same number shown as Model Lean above.
The verdict Worth monitoring, nothing more. The setup has pieces but does not add up to a bet at today's price.
Read the full model output

Texas Rangers remains on the watchlist. Lab Rating 6.8/10: conviction 8.66, pitching plan 30.67, offense 28.33. LyDia projects 72.3% against a 51.4% no-vig market number, a 20.9% model edge at -111. Texas Rangers owns the starting pitcher edge by 29 points. Bullpen read: Adds caution. Texas Rangers's pen efficiency: Below average (3.3/10). Bullpen fatigue moved this probability down 22.7 points from 95.0% (starting pitcher and team strength only) to 72.3%. Lineup check: Texas Rangers is a touch above its season form (+0.046 OPS); Boston Red Sox is near its season form (+0.005 OPS).

Game information

MatchupBoston Red Sox at Texas Rangers
DateTuesday, September 15, 2026
First pitch8:05 PM ET
VenueGlobe Life Field
Starting pitchersPatrick Sandoval vs Jacob deGrom
WeatherGame-time forecast: 98°F, 0% precipitation chance, 11 mph wind from S. This venue has a roof, but the roof status is not confirmed.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Patrick SandovalRed Sox · LHP
vs
Jacob deGromRangers · RHP
MetricRed SoxRangers
Pitching planTraditional starterTraditional starter
Expected innings4⅔5⅓
ThrowsLR
LyDia pitcher score (higher is better)4473
ERA (lower is better)4.993.84
WHIP (lower is better)1.791.08
K/9 (higher is better)9.711.2
K-BB% (higher is better)12.4%24.8%
K% (higher is better)23.2%31.0%
BB% (lower is better)10.9%6.2%
BB/9 (lower is better)4.52.2
HR/9 (lower is better)0.91.2
Ground-ball rate42.6%42.5%
Fly-ball rate57.4%57.5%

Pitcher edge: LyDia gives Jacob deGrom a 29-point edge over Patrick Sandoval, driven mainly by WHIP (1.08 vs 1.79) and K-BB% (24.8% vs 12.4%).

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

Strikeout Projections Full strikeout projections →

Patrick Sandoval strikeouts
5.4 LyDia projected Ks
No strikeout line posted when this page was generated
Jacob deGrom strikeouts
6.9 LyDia projected Ks
No K play · +0.4K difference is below LyDia's 0.7K threshold
Market 6.5K · O -105 / U +125 · 2 books

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

Red Sox are 7-3 in their last 10 and averaging 4.0 runs per game over the last 15 days; Rangers are 5-5 in their last 10 and averaging 5.3 runs per game over the last 15 days. On the season Red Sox carry the better run differential per game (+0.59 against -0.29).

MetricRed SoxRangers
Last 107-35-5
Last 10 by venue (away team on the road, home team at home)6-4 on the road6-4 at home
OPS, last 15 days0.7310.764
wOBA, last 15 days (hot/cold read)0.3220.335
Runs per game, last 15 days4.05.3
K% last 15 days (lower is better)23.1%23.3%

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 SoxRangers
OPS0.743 (+0.017 vs szn)0.752 (+0.034 vs szn)
Runs per game4.25 (-0.154 vs szn)4.56 (+0.397 vs szn)
wOBA (model offense input)0.328 (+0.007 vs szn)0.331 (+0.013 vs szn)
K% (lower is better)20.4% (-1.1% vs szn)23.1%

Over the last 30 days the Rangers have been the better offense, 0.331 wOBA to 0.328. They are running hot against their own season line (+0.013 wOBA).

Season profile

Full Stats page →
MetricRed SoxRangers
Record82-6874-76
Run differential / game (team quality)+0.59-0.29
Runs scored / game (offense, season)4.424.16
Runs allowed / game (defense, season, lower better)3.834.45
Season OPS0.7260.718
K% season (lower is better)21.5%22.8%
OPS vs opposing hand (season)0.7170.766

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 Rangers are highlighted.

Red Sox
Combined risk
5.1 Normal
Fatigue
5.6 Normal
Efficiency
6.1 Effective
Rangers
Combined risk
7.8 Tired
Fatigue
6.9 Tired
Efficiency
3.3 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 SoxRangers
Fatigue5.6/10, Normal6.9/10, Tired
Efficiency6.1/10, Effective3.3/10, Below average
Combined risk5.1/10, Normal7.8/10, Tired
Relief innings, last 7 days14.721.0
Back-to-back arms47
7-day ERA1.846.43
7-day WHIP1.501.57

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
10.4
Market total
7.5
Projected away runs
5.0
Projected home runs
4.6
Over price
-119
Under price
+104
Boston Red Sox team total
5.0 projected
Line 3.5 · O -130 / U +105
Over research lean (+1.5)
Texas Rangers team total
4.6 projected
Line 3.5 · O -128 / U +105
Over research lean (+1.1)

The model projects 2.9 runs above the market total. A research lean still requires a setup rating of at least 7.0/10. Team totals remain research-only until their graded sample is established.

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