MLB matchup analysis

Rangers vs Astros Prediction, Odds and Model Pick

Friday, July 31, 2026 at Daikin Park · 8:15 PM ET

Pass

LyDia decision: Pass on Rangers vs Astros

Lab Rating
6.1/10
Model probability
64.4%
Market probability
54.2%
Model edge
+10.2%
Best moneyline
-122
Sportsbooks checked
9
LyDia model
64.4%
Market
54.2%

The case for Houston Astros

Market mispricing: +10.2%
LyDia makes Houston Astros 64.4% to win while the no-vig market says 54.2%. LyDia rates this side +10.2% better than the price implies.
Late-inning bullpen advantage
Texas Rangers relievers have a 2.13 ERA over the last three days; Houston Astros relievers have a 1.23. If this is still close after six innings, that gap favors Houston Astros.

Why it is not official

Below the 72.0% official gate
Win probability is 64.4%. 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 6.1/10, under the 8.0/10 required for an official pick.
Pitcher edge points the other way
LyDia gives Nathan Eovaldi a 9-point edge over Hunter Brown, driven mainly by BB/9 (2.1 vs 5.4) and K-BB% (19.9% vs 11.0%). That is not the side the model likes here — when the model and the mound disagree, tread carefully.

Why the setup score is what it is

Conviction: 11.26/30
LyDia leans toward Houston Astros, but not strongly enough to earn full conviction credit.
Offense: 3.42/10
Houston Astros's recent form does not clearly outpace Texas Rangers's.
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

MatchupTexas Rangers at Houston Astros
DateFriday, July 31, 2026
First pitch8:15 PM ET
VenueDaikin Park
Starting pitchersNathan Eovaldi vs Hunter Brown
WeatherGame-time forecast: 91°F, 1% 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 →
Nathan EovaldiRangers · RHP
4.05ERA
1.17WHIP
9.6K/9
19.9%K-BB%
vs
Hunter BrownAstros · RHP
3.45ERA
1.28WHIP
9.6K/9
11.0%K-BB%
MetricRangersAstros
Pitching planTraditional starterTraditional starter
Expected innings6.15.2
ThrowsRR
LyDia pitcher score (higher is better)7162
BB/9 (lower is better)2.15.4
HR/9 (lower is better)1.61.0
Ground-ball rate55.5%55.8%
IP per start (higher is better)6.15.2

Pitcher edge: LyDia gives Nathan Eovaldi a 9-point edge over Hunter Brown, driven mainly by BB/9 (2.1 vs 5.4) and K-BB% (19.9% vs 11.0%).

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 →

Nathan Eovaldi strikeouts
6.3 LyDia projected Ks
Official pick: OVER 5.5K · +0.8K difference
Market 5.5K · O -148 / U +124 · 6 books
Hunter Brown strikeouts
5.6 LyDia projected Ks
No K play · +0.1K difference is below LyDia's 0.7K threshold
Market 5.5K · O -155 / U +124 · 6 books

Projections are self-calibrated against graded results (100 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.

Rangers are 5-5 in their last 10 and averaging 4.4 runs per game over the last 15 days; Astros are 8-2 in their last 10 and averaging 4.7 runs per game over the last 15 days. Season run differential separates them by almost nothing (-0.20 against -0.37).

MetricRangersAstros
Last 105-58-2
OPS, last 15 days0.7360.723
Runs per game, last 15 days4.44.7
K% last 15 days (lower is better)24.8%23.5%

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

Season profile

Full Stats page →
MetricRangersAstros
Record55-5455-55
Run differential / game (team quality)-0.20-0.37
Runs scored / game (offense, season)4.184.59
Runs allowed / game (defense, season, lower better)4.394.96
Season OPS0.7220.728
K% season (lower is better)22.7%21.8%
OPS vs opposing hand (season)0.7160.735

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. Rangers and Astros are highlighted.

Rangers
Combined risk
7.3 Tired
Fatigue
8.0 Tired
Efficiency
6.4 Effective
Astros
Combined risk
5.6 Normal
Fatigue
7.2 Tired
Efficiency
8.3 Dominant

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.

MetricRangersAstros
Fatigue8.0/10, Tired7.2/10, Tired
Efficiency6.4/10, Effective8.3/10, Dominant
Combined risk7.3/10, Tired5.6/10, Normal
Relief innings, last 3 days12.77.3
Back-to-back arms43
3-day ERA2.131.23
3-day WHIP1.180.27

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
6.5
Market total
7.5
Projected away runs
2.8
Projected home runs
3.8
Over price
-107
Under price
-105
Texas Rangers team total
2.8 projected
Line 3.5 · O -114 / U -105
Under research lean (-0.7)
Houston Astros team total
3.8 projected
Line 3.5 · O -130 / U +110
No team-total lean

The model projects 1.0 runs below 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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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.