MLB matchup analysis

Rays vs Rangers Prediction, Odds and Model Pick

Saturday, September 5, 2026 at Globe Life Field · 7:05 PM ET

Pass

LyDia decision: Pass on Rays vs Rangers

Lab Rating
6.4/10
Model lean
Rays 66.5%
Market probability
49.3%
Model edge
+17.2%
Best moneyline
-104
Sportsbooks checked
3
LyDia model
66.5%
Market
49.3%

The case for Tampa Bay Rays

Starting pitcher edge: 9 points
LyDia gives Drew Rasmussen a 9-point edge over Jacob deGrom, driven mainly by WHIP (0.91 vs 1.13) and ERA (2.87 vs 3.99).
Late-inning bullpen advantage
Texas Rangers relievers have a 5.46 ERA over the last 7 days; Tampa Bay Rays relievers have a 4.56. Texas Rangers also have 6 arms pitching on back-to-back days, against 4 for Tampa Bay Rays. If this is still close after six innings, that gap favors Tampa Bay Rays.

The case for Texas Rangers

Their bats are hot: +0.029 wOBA
Texas Rangers is outhitting its own season form over the last 15 days.

Why it is not official

Setup quality below the bar
Lab Rating is 6.4/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 6.2/10
The Tampa Bay Rays bullpen comes in tired. A lead after six innings is less safe than usual.
Opponent is swinging it
The other lineup is +0.029 wOBA above its season form over the last 15 days.

Why the setup score is what it is

Conviction: 5.75/10
LyDia's win probability for Tampa Bay Rays (66.5%) is well clear of a coin flip -- this is a real, stated lean, not a guess.
Pitching plan: 40/40
Drew Rasmussen rates 80 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: 17.94/50
Tampa Bay Rays's recent form does not clearly outpace Texas Rangers's.

Why the price is what it is

Team strength: 54.0%
Before any pitcher or bullpen adjustment, LyDia's team-strength model alone makes Tampa Bay Rays 54.0% to win. Everything below moves the price from this starting point.
Pitcher score gap: 9 points
The pitcher-score gap favors Tampa Bay Rays by 9 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: +0.087
The bullpen-fatigue gap between the two pens nudges the price toward Tampa Bay Rays. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 54.0% -> 66.5%
Team strength alone had Tampa Bay Rays at 54.0%. After the pitcher and bullpen terms, the price is 66.5% -- the same number shown as Model Lean above.
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

MatchupTampa Bay Rays at Texas Rangers
DateSaturday, September 5, 2026
First pitch7:05 PM ET
VenueGlobe Life Field
Starting pitchersDrew Rasmussen vs Jacob deGrom
WeatherGame-time forecast: 98°F, 1% precipitation chance, 8 mph wind from E. This venue has a roof, but the roof status is not confirmed.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Drew RasmussenRays · RHP
vs
Jacob deGromRangers · RHP
MetricRaysRangers
Pitching planTraditional starterTraditional starter
Expected innings5⅔5⅓
ThrowsRR
LyDia pitcher score (higher is better)8071
ERA (lower is better)2.873.99
WHIP (lower is better)0.911.13
K/9 (higher is better)9.110.9
K-BB% (higher is better)21.3%23.2%
K% (higher is better)25.9%29.8%
BB% (lower is better)4.6%6.6%
BB/9 (lower is better)1.62.4
HR/9 (lower is better)0.81.2
Ground-ball rate50.2%43.1%
Fly-ball rate49.8%56.9%

Pitcher edge: LyDia gives Drew Rasmussen a 9-point edge over Jacob deGrom, driven mainly by WHIP (0.91 vs 1.13) and ERA (2.87 vs 3.99).

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

Strikeout Projections Full strikeout projections →

Drew Rasmussen strikeouts
6.1 LyDia projected Ks
Official pick: OVER 5.5K · +0.8K difference
Market 5.5K · O -111 / U -102 · 5 books
Jacob deGrom strikeouts
3.9 LyDia projected Ks
Official pick: UNDER 5.5K · -1.4K difference
Market 5.5K · O +110 / U -135 · 5 books

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

Rays are 6-4 in their last 10 and averaging 4.0 runs per game over the last 15 days; Rangers are 4-6 in their last 10 and averaging 5.0 runs per game over the last 15 days. On the season Rays carry the better run differential per game (+0.33 against -0.30).

MetricRaysRangers
Last 106-44-6
Last 10 by venue (away team on the road, home team at home)6-4 on the road6-4 at home
OPS, last 15 days0.6820.793
wOBA, last 15 days (hot/cold read)0.3020.346
Runs per game, last 15 days4.05.0
K% last 15 days (lower is better)16.6%19.1%

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 daysRaysRangers
OPS0.7310.690 (-0.025 vs szn)
Runs per game4.54 (+0.050 vs szn)3.82 (-0.262 vs szn)
wOBA (model offense input)0.3220.307 (-0.010 vs szn)
K% (lower is better)16.1% (-2.4% vs szn)21.9% (-0.6% vs szn)

Over the last 30 days the Rays have been the better offense, 0.322 wOBA to 0.307.

Season profile

Full Stats page →
MetricRaysRangers
Record84-5770-72
Run differential / game (team quality)+0.33-0.30
Runs scored / game (offense, season)4.504.11
Runs allowed / game (defense, season, lower better)4.184.42
Season OPS0.7310.717
K% season (lower is better)18.5%22.6%
OPS vs opposing hand (season)0.7520.698

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. Rays and Rangers are highlighted.

Rays
Combined risk
6.2 Tired
Fatigue
5.9 Normal
Efficiency
4.5 Average
Rangers
Combined risk
9.1 High risk
Fatigue
8.4 High risk
Efficiency
3.7 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.

MetricRaysRangers
Fatigue5.9/10, Normal8.4/10, High risk
Efficiency4.5/10, Average3.7/10, Below average
Combined risk6.2/10, Tired9.1/10, High risk
Relief innings, last 7 days25.729.7
Back-to-back arms46
7-day ERA4.565.46
7-day WHIP1.481.65

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
7.7
Market total
7.5
Projected away runs
4.1
Projected home runs
3.0
Over price
-110
Under price
-105
Tampa Bay Rays team total
4.1 projected
Line 3.5 · O +108 / U -125
No team-total lean
Texas Rangers team total
3.0 projected
Line 3.5 · O +120 / U -140
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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