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Model picks & player props
Tampa Bay Rays
VS
Seattle Mariners

Tampa Bay Rays vs Seattle Mariners Picks & Predictions

Model updated Sep 10, 3:56AM UTC

We checked every price on this game against our own numbers. The green ones are the bets worth more than they should be.

MLB
T-Mobile Park, Seattle
Indoor
Sun 9 Aug 2026, 8:10PM
20
Game markets graded
50
Props graded
The model's one call for this gamethe prediction, first
Seattle Mariners -1.5 Spread +270

The model graded 70 markets for Tampa Bay Rays vs Seattle Mariners (MLB) and this is the one it backs hardest — a lean, not a lock. A $100 bet returns about $370 if it lands. This one is free — every other market and all player props are Pro. Tip-off Sun 9 Aug 2026, 8:10PM at T-Mobile Park.

Our confidenceLean
Chance to win47.1%
The price says27.0%
Best price+270
The rest of this game's boardgraded market by market
Spread Seattle Mariners -1.5 Lean47% chance +270
Total Runs Long-shot25% chance
Total Runs High73% chance
Spread Long-shot33% chance
Spread Long-shot23% chance
Spread - 1st 5 Innings Lean42% chance
Total Runs Long-shot34% chance
Spread Long-shot26% chance
Moneyline Lean60% chance
Batter - Hits + Runs + RBIs × 13 props Highup to 95%
Batter - Singles × 7 props Highup to 90%
Batter - Hits × 8 props Highup to 90%
Batter - Walks × 5 props Highup to 96%
Batter - Runs Scored × 7 props Highup to 95%
High = 60%+ chance to win · Lean = 40–60% · Long-shot = under 40%

Tampa Bay Rays and Seattle Mariners last met on Sun 9 Aug 2026. The model's calls from that game are graded below. Today's board: every MLB game priced right now.

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This game is done — from the model’s graded calls on this game
Tampa Bay Rays -2.5 · $100 returned $365

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Every pick is logged and graded — nothing hidden after the fact. See the verified record
This gameBets like this sit in our formula’s best MLB market — 77 of 124 right (mlb pitcher strikeouts unders)
This bet type · last timeSep 8
Corbin Burnes Under 2.5
Arizona Diamondbacks @ Kansas City Royals
CASHED
STAKE $100RETURNS $240
Our call on this game: 1 pick on the board · logged before tip-offSee the picks

Game picks

GOOD PRICE in green
Spread
Seattle Mariners
-1.5
+ 19 more markets
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Calibrated model vs market

Our chance vs the price, market by market
PickMarketModel lean
Seattle MarinersSpreadThe model likes this price 🔒 Unlock with Pro
OverTotal RunsThe model likes this price 🔒 Unlock with Pro
OverTotal RunsThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpreadThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpreadThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpread - 1st 5 InningsThe model likes this price 🔒 Unlock with Pro
UnderTotal RunsThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpreadThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysMoneylineThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysMoneyline - 1st 5 InningsThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpreadThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpread - 1st 5 InningsThe model likes this price 🔒 Unlock with Pro
UnderTotal RunsThe model likes this price 🔒 Unlock with Pro
UnderTotal RunsThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpread - 1st 5 InningsThe model likes this price 🔒 Unlock with Pro
UnderTotal RunsThe model likes this price 🔒 Unlock with Pro
Tampa Bay RaysSpread - 1st 5 InningsThe model likes this price 🔒 Unlock with Pro
UnderTotal RunsThe model likes this price 🔒 Unlock with Pro

Which price is actually worth taking?

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Injuries & who's out

Injuries & availability

Tampa Bay Rays

  • Taylor Walls SSOut
  • Manuel Rodriguez RPOut
  • Garrett Cleavinger RPOut
  • Shane McClanahan SPOut
  • Jake Fraley RFOut
  • Edwin Uceta RPOut
  • Gavin Lux LFOut
  • Ben Williamson 2BOut
  • Jonathan Heasley RPOut
  • Ryan Pepiot SPOut

Probable pitcher

Griffin Jax SP

Seattle Mariners

  • Nick Davila RPOut
  • Matt Brash RPOut
  • Brendan Donovan 3BOut
  • Brennen Davis CFOut
  • Colt Emerson SSOut
  • Emerson Hancock SPOut
  • Luke Raley RFOut
  • Cole Wilcox RPOut
  • Will Wilson 3BOut
  • Logan Evans SPOut

Probable pitcher

Kade Anderson SP
Availability updated Sep 9, 11:15PM UTC · refreshed roughly every 4 hours.

Weather & injury impact for this fixture

Conditions · who's out · how it moves the number
For Tampa Bay Rays vs Seattle Mariners: Ballpark wind and temperature can swing the run total, though the live per-park feed isn't wired into this page yet, and 20 players are listed out or questionable across both sides.
FactorThis fixture
Ballpark weatherWind and temperature at the park move run totals, but our ballpark weather module is pending a file-to-table persistence job.
Availability20 listed out or questionable (see Who's out above)

General rule: wind blowing out and warm air help the ball carry (more runs and home runs), while wind in and cold air suppress scoring; the starting pitchers listed above are the single biggest driver of the run total.

Ballpark weather module pending a file-to-table persistence job (owner). We won't show a wind/temperature number until it's persisted to the database.

Pro — weather & injury-adjusted view

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Player props

GOOD PRICE in green
PlayerTeamStat
Brendan Donovan STL Batter - Hits + Runs + RBIs
Victor Mesa Jr. Batter - Hits + Runs + RBIs
Brendan Donovan STL Batter - Singles
Chandler Simpson Batter - Singles
Taylor Walls Batter - Hits

+ 50 player props graded for this game — the line, the call and how much to put on each, with Pro.

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The players are right there — Pro shows which of their lines the model backs, and how much to put on each.

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Betting angles

Markets & form
MoneylineSeattle MarinersNo line posted
3-2L5 record
L5 RF2.6L5 RA1.4Home L54-1vs Tampa Bay Rays L54-1

Seattle Mariners moneyline form: last five 3-2, 2.6 runs/gm.

Run LineSeattle Mariners run lineNo line posted
3-2L5 record
L5 RF2.6L5 RA1.4Home L54-1vs Tampa Bay Rays L54-1

Seattle Mariners spread form: last five 3-2, 2.6 runs/gm.

Total RunsGame total · Seattle Mariners vs Tampa Bay RaysNo line posted

Seattle Mariners total runs form: last five 3-2, 2.6 runs/gm.

Team Total RunsSeattle Mariners team totalNo line posted
1.9runs we expect
L5 RF2.6L5 RA1.4Home L54-1vs Tampa Bay Rays L54-1

Seattle Mariners team total runs form: last five 3-2, 2.6 runs/gm.

Tampa Bay Rays @ Seattle Mariners — what the model found

Our model graded 70 betting markets for Tampa Bay Rays at Seattle Mariners — 20 on the game itself and 50 on individual players. One pick is free on this page.

20
Game markets graded
50
Player bets graded

The model checked every betting market for this game and graded 70 of them. One pick is free on this page — the one the model likes most. Scroll down to see it.

🔒 The other 69 graded calls for this game — with how much to bet on each — are for members.
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Tampa Bay Rays vs Seattle Mariners — recent results

Seattle Mariners have won 2 of their last 5 games; Tampa Bay Rays have won 3 of their last 5.

Seattle Mariners — last 5
ResultScoreOpponentWhere
L2–6ATHHome
W2–0ATHHome
L6–7ATHHome
L4–7ATHHome
W8–3BOSAway
Tampa Bay Rays — last 5
ResultScoreOpponentWhere
W7–1ATLAway
L6–8TEXAway
W7–6TEXAway
W6–3TEXAway
L0–6TEXAway

Tampa Bay Rays vs Seattle Mariners — recent meetings

These two have met 6 times recently: Seattle Mariners won 1, Tampa Bay Rays won 5.

DateSeattle MarinersTampa Bay RaysWinner
Aug 923Tampa Bay Rays
Aug 914Tampa Bay Rays
Aug 812Tampa Bay Rays
Jul 1282Seattle Mariners
Jul 1116Tampa Bay Rays
Jul 1027Tampa Bay Rays

Who’s out or in doubt

20 players are listed as out or in doubt for this game.

Seattle Mariners
PlayerStatus
Nick Davila RPOUT
Matt Brash RPOUT
Brendan Donovan 3BOUT
Brennen Davis CFOUT
Colt Emerson SSOUT
Emerson Hancock SPOUT
Luke Raley RFOUT
Cole Wilcox RPOUT
Tampa Bay Rays
PlayerStatus
Taylor Walls SSOUT
Manuel Rodriguez RPOUT
Garrett Cleavinger RPOUT
Shane McClanahan SPOUT
Jake Fraley RFOUT
Edwin Uceta RPOUT
Gavin Lux LFOUT
Ben Williamson 2BOUT

The full availability report — with what each missing player means for the bets — is further down this page.

Tampa Bay Rays @ Seattle Mariners — model preview

Our Tampa Bay Rays at Seattle Mariners prediction for August 10, 2026, plus every bet we like in the game and how confident we are in each.

On August 10, 2026 our model has run Tampa Bay Rays at Seattle Mariners and priced every market it can. Our strongest call is Cole Young Under 1.5 Total Bases (-323), which we rate HIGH confidence. We walk through all 5 bets we like in this game below. Everything below is our own number against the price the book is offering, written in plain English with how confident we are in words.

Every bet we like in this game

🔒 The other 5 write-ups for this game — with how much to bet on each — are Pro.
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Cashed picks for this matchup

From the public log
DateMarketPickResult
09 Aug 26 Total Runs Under 5.5 ✓ HIT
09 Aug 26 Total Runs Under 6 ✓ HIT
09 Aug 26 Spread - 1st 5 Innings Tampa Bay Rays 0.5 ✓ HIT
09 Aug 26 Spread - 1st 5 Innings Tampa Bay Rays 1.5 ✓ HIT
09 Aug 26 Moneyline - 1st 5 Innings Tampa Bay Rays ✓ HIT
09 Aug 26 Spread Tampa Bay Rays -1.5 ✓ HIT
09 Aug 26 Moneyline Tampa Bay Rays ✓ HIT
09 Aug 26 Total Runs Under 6.5 ✓ HIT
09 Aug 26 Spread - 1st 5 Innings Tampa Bay Rays -0.5 ✓ HIT
09 Aug 26 Total Runs Over 4.5 ✓ HIT

Every pick — wins and losses — is logged on the public record.

About this matchup

How we read the game

This page tracks the Bet Better model's pick history and predictions for Tampa Bay Rays vs Seattle Mariners in the MLB. You may also see this matchup written as Rays vs Mariners, or as Mariners vs Rays. The most recent game between them was Sunday 9 August 2026 at T-Mobile Park. The model has generated 20 game picks and 50 player props for this matchup. Review the picks and historical data above to guide your MLB betting strategy for this matchup.

Head-to-head record

Final scores · 25 meetings on record
Tampa Bay Rays 15–10 across the last 25 meetings · these games average 8.8 runs (meetings on record since 2023)
DateGameScoreWinner
9 Aug 2026Tampa Bay Rays @ Seattle Mariners2–3Tampa Bay Rays
8 Aug 2026Tampa Bay Rays @ Seattle Mariners1–2Tampa Bay Rays
7 Aug 2026Tampa Bay Rays @ Seattle Mariners1–2Tampa Bay Rays
12 Jul 2026Seattle Mariners @ Tampa Bay Rays2–8Seattle Mariners
11 Jul 2026Seattle Mariners @ Tampa Bay Rays6–1Tampa Bay Rays
10 Jul 2026Seattle Mariners @ Tampa Bay Rays7–2Tampa Bay Rays
3 Sep 2025Seattle Mariners @ Tampa Bay Rays9–4Tampa Bay Rays
2 Sep 2025Seattle Mariners @ Tampa Bay Rays6–5Tampa Bay Rays
1 Sep 2025Seattle Mariners @ Tampa Bay Rays10–2Tampa Bay Rays
10 Aug 2025Tampa Bay Rays @ Seattle Mariners6–3Seattle Mariners

Table shows the last 10 — the record above counts all 25 meetings on file.

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