MLB matchup analysis

Brewers vs Rays Prediction, Odds and Model Pick

Tuesday, October 27, 2026 at Tropicana Field · 8:00 PM ET

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Pass

Leo decision: Pass on Brewers vs Rays

Lab Rating
5.9/10
Model lean
Rays 68.8%
Market probability
47.2%
Model edge
+21.6%
Best moneyline
+107
Sportsbooks checked
9
Leo model
68.8%
Market
47.2%

The case for Tampa Bay Rays

Starting pitcher edge: 12 points
Leo gives Griffin Jax a 12-point edge over Dustin May, driven mainly by ERA (3.53 vs 4.70) and WHIP (1.18 vs 1.32).

The case for Milwaukee Brewers

Late-inning bullpen advantage
Tampa Bay Rays relievers have a 6.17 ERA over the last 7 days; Milwaukee Brewers relievers have a 1.38. Tampa Bay Rays also have 6 arms pitching on back-to-back days, against 2 for Milwaukee Brewers. If this is still close after six innings, that gap favors Milwaukee Brewers.
Team strength favors Milwaukee Brewers
Before any pitcher or bullpen adjustment, Leo's own team-strength model has Milwaukee Brewers ahead (67.0% to 55.8%). The pick still comes from Tampa Bay Rays once the pitcher and bullpen terms are applied.

Why it is not official

Setup quality below the bar
Lab Rating is 5.9/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 7.6/10
The Tampa Bay Rays bullpen comes in tired. A lead after six innings is less safe than usual.

Why the setup score is what it is

Conviction: 6.9/10
Leo's win probability for Tampa Bay Rays (68.8%) is well clear of a coin flip -- this is a real, stated lean, not a guess.
Pitching plan: 28/40
Griffin Jax rates 71 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: 24.33/50
Tampa Bay Rays's recent form does not clearly outpace Milwaukee Brewers's.

Why the price is what it is

Team strength: 55.8%
Before any pitcher or bullpen adjustment, Leo's team-strength model alone makes Tampa Bay Rays 55.8% to win. Everything below moves the price from this starting point.
Pitcher score gap: 12 points
The pitcher-score gap favors Tampa Bay Rays by 12 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: -0.078
The bullpen-fatigue gap between the two pens nudges the price toward Milwaukee Brewers. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 55.8% -> 68.8%
Team strength alone had Tampa Bay Rays at 55.8%. After the pitcher and bullpen terms, the price is 68.8% -- the same number shown as Model Lean above.
The verdict Leo 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

MatchupMilwaukee Brewers at Tampa Bay Rays
DateTuesday, October 27, 2026
First pitch8:00 PM ET
VenueTropicana Field
Starting pitchersDustin May vs Griffin Jax
WeatherGame-time forecast: 73°F, 0% precipitation chance, 7 mph wind from NE.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Dustin MayBrewers · RHP
vs
Griffin JaxRays · RHP
MetricBrewersRays
Pitching planTraditional starterLimited starter
Expected innings4⅔4⅓
ThrowsRR
Leo pitcher score (higher is better)5971
ERA (lower is better)4.703.53
WHIP (lower is better)1.321.18
K/9 (higher is better)8.99.3
K-BB% (higher is better)15.1%17.6%
K% (higher is better)23.2%25.3%
BB% (lower is better)8.1%7.6%
BB/9 (lower is better)3.12.8
HR/9 (lower is better)0.91.2
Ground-ball rate46.2%51.2%
Fly-ball rate53.8%48.8%

Pitcher edge: Leo gives Griffin Jax a 12-point edge over Dustin May, driven mainly by ERA (3.53 vs 4.70) and WHIP (1.18 vs 1.32).

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

Strikeout Projections Full strikeout projections →

Dustin May strikeouts
3.8 Leo projected Ks
Official pick: OVER 2.5K · +1.3K difference
Market 2.5K · O +122 / U -148 · 5 books
Griffin Jax strikeouts
4.4 Leo projected Ks
Official pick: OVER 3.5K · +0.9K difference
Market 3.5K · O -105 / U -110 · 6 books

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

Brewers are 8-2 in their last 10; Rays are 5-5 in their last 10. On the season Brewers carry the better run differential per game (+1.32 against +0.53).

MetricBrewersRays
Last 108-25-5
Last 10 by venue (away team on the road, home team at home)8-2 on the road7-3 at home
OPS, last 15 daysNot availableNot available
wOBA, last 15 days (hot/cold read)Not availableNot available
Runs per game, last 15 daysNot availableNot available
K% last 15 days (lower is better)Not availableNot available

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 daysBrewersRays
OPS0.718 (-0.026 vs szn)0.743 (+0.015 vs szn)
Runs per game6.00 (+0.864 vs szn)3.00 (-1.543 vs szn)
wOBA (model offense input)0.318 (-0.011 vs szn)0.316
K% (lower is better)17.6% (-4.3% vs szn)22.9% (+4.1% vs szn)

Over the last 30 days the Brewers have been the better offense, 0.318 wOBA to 0.316. They are cooling off against their own season line (-0.011 wOBA).

Season profile

Full Stats page →
MetricBrewersRays
Record103-5998-64
Run differential / game (team quality)+1.32+0.53
Runs scored / game (offense, season)5.144.54
Runs allowed / game (defense, season, lower better)3.814.01
Season OPS0.7440.728
K% season (lower is better)22.0%18.8%
OPS vs opposing hand (season)0.7590.752

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.

Brewers
Combined risk
5.0 Normal
Fatigue
6.2 Tired
Efficiency
7.4 Effective
Rays
Combined risk
7.6 Tired
Fatigue
6.4 Tired
Efficiency
2.7 Struggling

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.

MetricBrewersRays
Fatigue6.2/10, Tired6.4/10, Tired
Efficiency7.4/10, Effective2.7/10, Struggling
Combined risk5.0/10, Normal7.6/10, Tired
Relief innings, last 7 days13.011.7
Back-to-back arms26
7-day ERA1.386.17
7-day WHIP0.852.06

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
9.8
Market total
7.0
Projected away runs
4.0
Projected home runs
5.8
Over price
-115
Under price
+105
Milwaukee Brewers team total
4.0 projected
Line 3.5 · O -120 / U -102
No team-total lean
Tampa Bay Rays team total
5.8 projected
Line 3.5 · O +113 / U -139
Over research lean (+2.3)

The model projects 2.8 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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