MLB matchup analysis

Rays vs Rockies Prediction, Odds and Model Pick

Tuesday, August 4, 2026 at Coors Field · 8:40 PM ET

Pass

LyDia decision: Pass on Rays vs Rockies

Lab Rating
3.7/10
Model probability
60.2%
Market probability
58.6%
Model edge
+1.6%
Best moneyline
-150
Sportsbooks checked
4
LyDia model
60.2%
Market
58.6%

Why it is not official

Below the 72.0% official gate
Win probability is 60.2%. 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 3.7/10, under the 8.0/10 required for an official pick.
Not enough market edge
The model and the market are too close for the price to matter.

Why the setup score is what it is

Conviction: 7.32/35
LyDia leans toward Tampa Bay Rays, but not strongly enough to earn full conviction credit.
Pitching plan: 6/20
No meaningful starting-pitcher edge favors Tampa Bay Rays in this matchup.
Bullpen: 7.66/20
LyDia does not see a meaningful bullpen edge for Tampa Bay Rays once assigned innings are weighted.
The verdict LyDia passes. Model and market are too close for a clear official pick.
Read the full model output

Model and market are too close for a clear official pick.

Game information

MatchupTampa Bay Rays at Colorado Rockies
DateTuesday, August 4, 2026
First pitch8:40 PM ET
VenueCoors Field
Starting pitchersFreddy Peralta vs Gabriel Hughes
WeatherGame-time forecast: 76°F, 3% precipitation chance, 7 mph wind from E.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Freddy PeraltaRays · RHP
4.99ERA
1.48WHIP
8.9K/9
12.7%K-BB%
vs
Gabriel HughesRockies · RHP
3.33ERA
1.19WHIP
7.8K/9
14.1%K-BB%
MetricRaysRockies
Pitching planTraditional starterTraditional starter
Expected innings5.25.3
ThrowsRR
LyDia pitcher score (higher is better)5366
BB/9 (lower is better)3.82.6
HR/9 (lower is better)1.30.0
Ground-ball rate46.9%43.8%
IP per start (higher is better)5.25.3

Pitcher edge: LyDia gives Gabriel Hughes a 13-point edge over Freddy Peralta, driven mainly by HR/9 (0.00 vs 1.35) and ERA (3.33 vs 4.99).

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 →

Freddy Peralta strikeouts
5.7 LyDia projected Ks
No K play · +0.2K difference is below LyDia's 0.7K threshold
Market 5.5K · O +125 / U -129 · 5 books
Gabriel Hughes strikeouts
3.6 LyDia projected Ks
No K play · +0.1K difference is below LyDia's 0.7K threshold
Market 3.5K · O +119 / U -135 · 6 books

Projections are self-calibrated against graded results (150 graded starts). Official K picks are taken from LyDia's locked published card, which requires a 0.7+ strikeout edge, a posted price from at least two books, a confirmed non-opener workload of at least four expected innings, and a posted starting lineup. Plays shown here that are not on the card are qualifying projections only.

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

Rays are 7-3 in their last 10 and averaging 4.4 runs per game over the last 15 days; Rockies are 4-6 in their last 10 and averaging 5.3 runs per game over the last 15 days. On the season Rays carry the better run differential per game (+0.31 against -0.90).

MetricRaysRockies
Last 107-34-6
Last 10 by venue (away team on the road, home team at home)4-6 on the road5-5 at home
OPS, last 15 days0.7420.738
Runs per game, last 15 days4.45.3
K% last 15 days (lower is better)20.5%23.0%

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

Season profile

Full Stats page →
MetricRaysRockies
Record66-4645-68
Run differential / game (team quality)+0.31-0.90
Runs scored / game (offense, season)4.444.84
Runs allowed / game (defense, season, lower better)4.135.74
Season OPS0.7320.746
K% season (lower is better)19.1%22.8%
OPS vs opposing hand (season)0.7560.759

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 Rockies are highlighted.

Rays
Combined risk
6.3 Tired
Fatigue
6.4 Tired
Efficiency
5.3 Average
Rockies
Combined risk
5.2 Normal
Fatigue
5.0 Normal
Efficiency
4.7 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.

MetricRaysRockies
Fatigue6.4/10, Tired5.0/10, Normal
Efficiency5.3/10, Average4.7/10, Average
Combined risk6.3/10, Tired5.2/10, Normal
Relief innings, last 7 days31.318.7
Back-to-back arms54
7-day ERA4.314.34
7-day WHIP1.091.45

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
7.6
Market total
11.5
Projected away runs
2.7
Projected home runs
4.9
Over price
-107
Under price
-107
Tampa Bay Rays team total
2.7 projected
Line 6.5 · O +108 / U -133
Under research lean (-3.8)
Colorado Rockies team total
4.9 projected
Line 4.5 · O -113 / U +110
No team-total lean

The model projects 3.9 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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