Rays vs. Mariners
Prediction, Odds & Props
Aug 08 | MLB AI Picks
Updated: 2025-08-06T03:31:50.923562ZBy Remi at Leans.AI — AI picks for ATS, ML, OU & props
The Tampa Bay Rays fly west to T-Mobile Park for a late-night clash with the surging Seattle Mariners, a series opener that could tilt the American League Wild-Card standings. Seattle owns a razor-thin edge as a home favorite, yet Tampa Bay’s knack for spoiling parties on the road turns this into one of Friday’s most nuanced betting spots.
Get key insights, betting trends, and AI-powered predictions to help incorporate into your betting strategies.

GAME INFO
Date: Aug 08, 2025
Start Time: 9:40 PM EST
Venue: T-Mobile Park
Mariners Record: (63-53)
Rays Record: (57-59)
OPENING ODDS
TB Moneyline: +109
SEA Moneyline: -131
TB Spread: +1.5
SEA Spread: -1.5
Over/Under: 7.5
TB
Betting Trends
- Tampa Bay has covered the run line in 6 of its last 10 road games, rewarding backers with a blend of stingy pitching and timely late-inning offense.
SEA
Betting Trends
- Seattle sports a 7-3 ATS record across its last 10 games at T-Mobile Park, cashing behind dominant starting pitching and a bullpen that’s locked down leads with surgical precision.
MATCHUP TRENDS
- Despite the M’s home dominance, the Rays have gone 4-2 ATS in the season series, suggesting underdog value lingers in a rivalry where road teams often sneak inside the number.
TB vs. SEA
Best Prop Bet
- Remi's searched hard and found the best prop for this matchup: J. Polanco over 3.5 Fantasy Score.
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Tampa Bay vs Seattle Prediction & Odds:
Free MLB Betting Insights for 8/8/25
The chess game peaks from the sixth inning on—Kevin Cash leverages a bullpen sporting six arms beneath a 3.00 ERA, mixing Shawn Armstrong’s sweepers, Jason Adam’s invisible splitter, and Pete Fairbanks’s triple-digit heat to suffocate high-leverage threats, while Scott Servais counters with Matt Brash’s video-game slider and Andrés Muñoz’s 100-mph turbo sinker before handing ninth-inning breathing rights to Ryan Borucki or Muñoz depending on match-ups. Defense adds another subtle edge: Tampa, atop MLB in Defensive Runs Saved since July 1, trusts Wander Franco’s lateral wizardry and José Siri’s Statcast-topping jumps to steal doubles from Seattle’s power alley—but those cavernous gaps can punish any misread, and Rodríguez patrols center with equal game-breaking range. Key pressure points revolve around pitch counts and first-strike rate: if the Rays’ contact-centric approach pushes Castillo north of ninety pitches by the fifth, Seattle’s middle relief—rather than its back-end weapons—must bridge innings, and Tampa’s plus-bench lefties Josh Lowe and Jonathan Aranda are primed to exploit platoon cracks; conversely, if Castillo cruises and Seattle grabs an early cushion, the Mariners’ formula of power bursts and bullpen gas becomes suffocating, their 23-2 home record when leading after six proof of concept. Intangibles favor the hosts—west-coast body-clock advantage, a raucous Friday sell-out, and Castillo’s reputation as a stopper—yet the Rays’ league-best seventeen wins when trailing after six innings remind bettors no spread is safe when Tampa’s bullpen carousel and chaos-base ethos take hold. In a game where every foul tip and defensive gem will echo through wild-card math, expect playoff-level urgency, tactical managerial feints, and an outcome decided by whichever side lands the timely extra-base punch or executes the cleanest seventh-inning pitching change—making this clash a must-watch for fans and a high-wire puzzle for anyone eyeing the run-line window.
😇 in the outfield pic.twitter.com/tGAJhLo9Ug
— Tampa Bay Rays (@RaysBaseball) August 6, 2025
Tampa Bay Rays MLB Preview
The Tampa Bay Rays land in Seattle with their trademark suitcase of matchup tricks, platoon swaps and bullpen firepower, determined to snatch a crucial wild‐card win in the most inhospitable time zone on the MLB map and to extend a road run that has seen them cover in six of their last ten away dates by turning late‐inning tension into artistry. This roster is the sport’s Swiss-army knife: Yandy Díaz, baseball’s on-base metronome, sets the table with a .416 OBP and punishes any first-pitch strike with gap power that keeps outfielders in permanent retreat, while Harold Ramírez lurks behind him ready to vaporize left-handed pitching; together they force Luis Castillo to live on the corners from pitch one, and once the count tilts even slightly the Rays start their carousel of hit-and-run, drag bunts and double steals that have manufactured an AL-best forty-five two-out RBIs since mid-July. Randy Arozarena remains the pulse of the order—twenty-two homers, twenty-eight steals and equal parts swagger and menace—capable of flipping an inning with a stolen base or igniting the dugout with an opposite-field blast, and his cat-and-mouse game with Cal Raleigh behind the plate will decide whether Tampa’s small-ball pressure translates into early runs or stranded chaos. Isaac Paredes and Brandon Lowe supply the pull-side thunder from the middle lanes, while rookie Curtis Mead’s emerging bat gives Kevin Cash a right-handed counterpunch once Seattle pivots to lefty specialists; that depth allows Cash to script entire innings three hitters at a time, a chessboard that often leaves opposing managers chasing matchups rather than dictating them.
On the bump, crafty left-hander Jeffrey Springs carries a 2.58 ERA since June and a change-up that has abused righties to a .188 average, and his mission is simple: pound first-pitch strikes, hide the fastball up and in, and coax Julio Rodríguez and Mitch Haniger into rollovers that feed the infield vacuum of Wander Franco and Amed Rosario, whose combined nineteen Defensive Runs Saved anchor the league’s stingiest middle defense since the break. Once Springs hands the baton, Tampa unveils its bullpen gauntlet: Shawn Armstrong’s sweeper sets the bridge, Jason Adam’s invisible splitter erases left-right splits, Robert Stephenson’s high-ride four-seamer neutralizes Seattle’s alley power, and Pete Fairbanks closes with triple-digit sink that has produced a 43 percent strikeout rate in July/August. Behind the scenes, the Rays’ analytic brain trust tracks every pitch-shape profile in Seattle’s relief corps, ready to counter Servais’s first bullpen move with a pinch‐hit cascade of Josh Lowe, Jonathan Aranda and Taylor Walls—all carrying OPS marks north of .820 in platoon-advantaged plate appearances. Defensively, center fielder José Siri patrols the T-Mobile gaps like a cornerback, covering more ground per sprint than any AL outfielder and turning what look like insurance doubles into highlight snags that flip innings; that range pairs with a staff that ranks second in ground-ball percentage, ensuring nearly every hard contact finds a glove. Intangibles favor Tampa’s traveling circus: a league-best seventeen comeback wins when trailing after six illustrate mental resilience, and their record on the West Coast (10-4 since 2023) shows body-clock issues vanish amid their deep roster rotation. For Rays backers, the blueprint is clear—elevate Castillo’s pitch count with relentless contact, steal ninety feet whenever Raleigh sits back, hand a one-run margin to the bullpen by the seventh and trust their defensive web plus Fairbanks’s high-octane finish to suffocate yet another hostile crowd and cash another underdog ticket on the road.

Credit: USA TODAY/IMAGN
Seattle Mariners MLB Preview
The Seattle Mariners stride into T-Mobile Park on August 8 riding a wave of home-field momentum and profitable run-line form, intent on reinforcing their wild-card grip by weaponizing a blueprint that marries front-line pitching power with opportunistic thunder and late-inning lockdowns, the very formula that has produced a 7-3 ATS record in their last ten at home and has backers flocking when the moneyline hovers in short-favorite range. Everything begins with ace Luis Castillo, whose 2.87 ERA under the LED lights in Seattle underscores a night-game dominance fueled by a 97-mph four-seam that rides above barrels and a splitter opponents slug just .286 against, and when “La Piedra” clears six innings—something he’s done in seven of his last nine starts—the Mariners convert those leads a remarkable 88 percent of the time. Behind Castillo waits a bullpen that is both flamethrower-heavy and matchup-savvy: Andrés Muñoz’s triple-digit sinker/slider combo has generated eighteen straight saves, Matt Brash wields a sweeping breaker that lefties have hit only .198 against, and veteran Gabe Speier neutralizes pesky contact hitters, giving manager Scott Servais a late-game vise grip that has suffocated would-be rallies all summer.
Offensively, Seattle has shed its early-season feast-or-famine label thanks to a reinvigorated top third led by J.P. Crawford’s .380 OBP table-setting and Julio Rodríguez’s blinding second-half surge—a .335/.395/.640 slash that ranks top-three in MLB post-All-Star and routinely ignites multiscore innings. Cal Raleigh has evolved into the league’s premier power-hitting backstop, pacing AL catchers in homers and slug, while Mitch Haniger’s healthy return lengthens the lineup such that Teoscar Hernández and Ty France can attack secondary pitches in run-producing spots instead of forcing the action. That depth, coupled with a patient approach (Seattle sits fifth in pitches per plate appearance since July 1), has forced opposing starters into triple-digit counts by the fifth, exposing bullpens and tilting leverage toward the Mariners’ imposing late-inning arms. Seattle’s athletic defense converts that pressure into outs: Rodríguez’s elite jumps in center, Crawford’s vacuum range at short, and Haniger’s sure routes in right have combined for the AL’s best outfield Outs Above Average since June, while the infield’s 72 percent double-play conversion rate safeguards Castillo’s pitch economy. Strategically, Servais plays aggressive at home—pressing hit-and-runs, green-lighting steals (thirty-eight combined from Rodríguez and Crawford) and bunting against shift vacuums—to manufacture insurance runs, crucial in one-run environments where T-Mobile’s marine layer can turn would-be homers into warning-track outs. Intangibles amplify every edge: sellout Friday crowds crank decibels to playoff levels, travel-lagged opponents adjust to late-Pacific start times, and Seattle’s 23-2 mark when leading after six at home proves a suffocating inevitability once the bullpen gate swings. For bettors, the Mariners’ path to another cover is tried-and-true—Castillo sets the tone with strike-one supremacy, the offense grinds pitch counts and strikes with two-out power, the defense erases extra bases, and the Muñoz-Brash combo slams the door—an efficient, profitable recipe that has minted tickets all season and threatens to cool even the Rays’ famed comeback mojo beneath the Puget Sound lights.
Fourth-straight win with a big weekend coming up! #TridentsUp
— Seattle Mariners (@Mariners) August 8, 2025
>> https://t.co/09r2DgBvqS << pic.twitter.com/BnHQv0yagI
Tampa Bay vs. Seattle Prop Picks (AI)
Tampa Bay vs. Seattle Prediction (AI)

Remi, our AI sports algorithm, has been pouring over exorbitant amounts of data from every simulation between the Rays and Mariners and using recursive machine learning and impressive AI to boil down the data to a single cover probability.
The Algorithm has been most focused on the unproportionally assigned emphasis emotional bettors tend to put on Seattle’s strength factors between a Rays team going up against a possibly deflated Mariners team. It appears the true game analytics appear to reflect a moderate lean against one Vegas line in particular.
Unlock this in-depth AI prediction and all of our MLB AI picks for FREE now.
Below is our current AI Tampa Bay vs Seattle picks, computer picks Rays vs Mariners, best bets, model edges, confidence ratings.
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DATE | GAME | LEAN | %WIN | UNITS | LEVEL |
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These picks update as information changes—injury reports, weather, and market movement. Each line shows our model’s fair price, the edge versus the market, and a unit confidence rating (1–10). Odds and availability vary by sportsbook and time. Edges are computed against the listed price; value may change after line moves. Always shop for the best number. See the full MLB schedule.
Rays Betting Trends
Tampa Bay has covered the run line in 6 of its last 10 road games, rewarding backers with a blend of stingy pitching and timely late-inning offense.
Mariners Betting Trends
Seattle sports a 7-3 ATS record across its last 10 games at T-Mobile Park, cashing behind dominant starting pitching and a bullpen that’s locked down leads with surgical precision.
Rays vs. Mariners Matchup Trends
Despite the M’s home dominance, the Rays have gone 4-2 ATS in the season series, suggesting underdog value lingers in a rivalry where road teams often sneak inside the number.
Tampa Bay vs. Seattle Game Info
What time does Tampa Bay vs Seattle start on August 08, 2025?
Tampa Bay vs Seattle starts on August 08, 2025 at 9:40 PM EST.
Where is Tampa Bay vs Seattle being played?
Venue: T-Mobile Park.
What are the opening odds for Tampa Bay vs Seattle?
Spread: Seattle -1.5
Moneyline: Tampa Bay +109, Seattle -131
Over/Under: 7.5
What are the records for Tampa Bay vs Seattle?
Tampa Bay: (57-59) | Seattle: (63-53)
What is the AI best bet for Tampa Bay vs Seattle?
Remi's searched hard and found the best prop for this matchup: J. Polanco over 3.5 Fantasy Score.. Prices move—always shop for the best number.
What are Tampa Bay vs Seattle trending bets?
Despite the M’s home dominance, the Rays have gone 4-2 ATS in the season series, suggesting underdog value lingers in a rivalry where road teams often sneak inside the number.
What are Tampa Bay trending bets?
TB trend: Tampa Bay has covered the run line in 6 of its last 10 road games, rewarding backers with a blend of stingy pitching and timely late-inning offense.
What are Seattle trending bets?
SEA trend: Seattle sports a 7-3 ATS record across its last 10 games at T-Mobile Park, cashing behind dominant starting pitching and a bullpen that’s locked down leads with surgical precision.
Where can I find AI Picks for Tampa Bay vs Seattle?
See our latest MLB picks and odds pages for 2025 to compare prices before you bet.
Tampa Bay vs. Seattle Odds
Remi is pouring through loads of data on each team. In fact, anytime the Tampa Bay vs Seattle trends are analyzed, there’s always several intriguing angles to key in on. Not to mention games played at extreme altitude rarely follow normal, predictable patterns.
Tampa Bay vs Seattle Opening Odds
TB Moneyline:
+109 SEA Moneyline: -131
TB Spread: +1.5
SEA Spread: -1.5
Over/Under: 7.5
Tampa Bay vs Seattle Live Odds
Games | PTS | ML | SPR | O/U | |
---|---|---|---|---|---|
Sep 28, 2025 3:05PM EDT
Kansas City Royals
Oakland Athletics
9/28/25 3:05PM
Royals
Athletics
|
–
–
|
-143
+130
|
-1.5 (+112)
+1.5 (-127)
|
O 9.5 (+101)
U 9.5 (-116)
|
|
Sep 28, 2025 3:06PM EDT
Detroit Tigers
Boston Red Sox
9/28/25 3:06PM
Tigers
Red Sox
|
–
–
|
-107
-103
|
-1.5 (+144)
+1.5 (-163)
|
O 9 (-118)
U 9 (+103)
|
|
Sep 28, 2025 3:06PM EDT
Baltimore Orioles
New York Yankees
9/28/25 3:06PM
Orioles
Yankees
|
–
–
|
+156
-173
|
+1.5 (-132)
-1.5 (+117)
|
O 8.5 (-118)
U 8.5 (+103)
|
|
Sep 28, 2025 3:06PM EDT
Colorado Rockies
San Francisco Giants
9/28/25 3:06PM
Rockies
Giants
|
–
–
|
+257
-290
|
+1.5 (+118)
-1.5 (-133)
|
O 7.5 (-107)
U 7.5 (-107)
|
|
Sep 28, 2025 3:06PM EDT
Minnesota Twins
Philadelphia Phillies
9/28/25 3:06PM
Twins
Phillies
|
–
–
|
+206
-230
|
+1.5 (-101)
-1.5 (-113)
|
O 8 (-115)
U 8 (+100)
|
|
Sep 28, 2025 3:06PM EDT
Chicago White Sox
Washington Nationals
9/28/25 3:06PM
White Sox
Nationals
|
–
–
|
-101
-109
|
+1.5 (-195)
-1.5 (+171)
|
O 8.5 (+104)
U 8.5 (-119)
|
|
Sep 28, 2025 3:07PM EDT
Houston Astros
Los Angeles Angels
9/28/25 3:07PM
Astros
Angels
|
–
–
|
-112
+102
|
-1.5 (+136)
+1.5 (-154)
|
O 9 (-104)
U 9 (-110)
|
|
Sep 28, 2025 3:08PM EDT
Tampa Bay Rays
Toronto Blue Jays
9/28/25 3:08PM
Rays
Blue Jays
|
–
–
|
+182
-202
|
+1.5 (-112)
-1.5 (-102)
|
O 7.5 (-103)
U 7.5 (-112)
|
|
Sep 28, 2025 3:10PM EDT
Los Angeles Dodgers
Seattle Mariners
9/28/25 3:10PM
Dodgers
Mariners
|
–
–
|
-130
+118
|
-1.5 (+131)
+1.5 (-148)
|
O 7.5 (-113)
U 7.5 (-102)
|
|
Sep 28, 2025 3:10PM EDT
Texas Rangers
Cleveland Guardians
9/28/25 3:10PM
Rangers
Guardians
|
–
–
|
+123
-136
|
+1.5 (-177)
-1.5 (+156)
|
O 7.5 (-104)
U 7.5 (-110)
|
|
Sep 28, 2025 3:10PM EDT
Arizona Diamondbacks
San Diego Padres
9/28/25 3:10PM
Diamondbacks
Padres
|
–
–
|
+111
-122
|
+1.5 (-190)
-1.5 (+166)
|
O 8 (-105)
U 8 (-109)
|
|
Sep 28, 2025 3:11PM EDT
Cincinnati Reds
Milwaukee Brewers
9/28/25 3:11PM
Reds
Brewers
|
–
–
|
+115
-127
|
+1.5 (-183)
-1.5 (+161)
|
O 7.5 (-105)
U 7.5 (-109)
|
|
Sep 28, 2025 3:11PM EDT
New York Mets
Miami Marlins
9/28/25 3:11PM
Mets
Marlins
|
–
–
|
-137
+124
|
-1.5 (+122)
+1.5 (-138)
|
O 8 (-115)
U 8 (+100)
|
|
Sep 28, 2025 3:16PM EDT
Pittsburgh Pirates
Atlanta Braves
9/28/25 3:16PM
Pirates
Braves
|
–
–
|
+171
-190
|
+1.5 (-122)
-1.5 (+108)
|
O 7.5 (-112)
U 7.5 (-103)
|
|
Sep 28, 2025 3:20PM EDT
St Louis Cardinals
Chicago Cubs
9/28/25 3:20PM
Cardinals
Cubs
|
–
–
|
-145
|
-1.5 (+148)
|
O 7 (-114)
U 7 (-101)
|
MLB Past Picks
Remi—our in-house AI—prices every game and prop using multi-season priors, tempo/efficiency, injury/usage signals, and market movement.
We publish fair prices, recommended “buy-to” numbers, and confidence so you can bet prices, not teams.
This preview covers Tampa Bay Rays vs. Seattle Mariners on August 08, 2025 at T-Mobile Park.
Odds shown reflect widely available numbers and may update closer to kickoff.
Want more? Check live edges, player props, and line moves on our MLB odds pages, and compare prices before you place a bet.
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LEAN | %WIN | UNITS | RESULT |
---|---|---|---|---|
ARI@SD | SD -131 | 57.3% | 4 | WIN |
DET@BOS | BOS -115 | 56.4% | 5 | WIN |
NYM@CHC | NYM -110 | 54.1% | 3 | WIN |
HOU@ATH | ATH +118 | 50.8% | 4 | WIN |
NYM@CHC | OVER 7 | 54.5% | 3 | WIN |
STL@SF | OVER 7.5 | 55.9% | 5 | LOSS |
KC@LAA | TYLER TOLBERT UNDER 1.5 BASES | 54.4% | 4 | WIN |
MIL@SD | UNDER 9 | 54.7% | 4 | WIN |
MIA@PHI | KYLE SCHWARBER OVER 1.5 HITS+RUNS+RBIS | 53.3% | 3 | WIN |
WAS@NYM | OVER 8.5 | 56.1% | 6 | LOSS |
LAA@COL | COL +108 | 50.5% | 3 | WIN |
TOR@KC | UNDER 9 | 54.7% | 4 | LOSS |
SEA@KC | KC +1.5 | 62.3% | 5 | LOSS |
NYY@MIN | OVER 9 | 55.1% | 4 | WIN |
MIA@COL | OVER 10.5 | 55.0% | 4 | WIN |
MIA@COL | AGUSTIN RAMIREZ OVER 1.5 HITS+RUNS+RBIS | 54.3% | 4 | WIN |
SEA@KC | BOBBY WITT UNDER 0.5 SINGLES | 54.4% | 4 | LOSS |
PHI@LAD | LAD -113 | 54.7% | 4 | LOSS |
NYY@BOS | OVER 7.5 | 54.3% | 3 | WIN |
KC@PHI | PHI -130 | 58.3% | 4 | WIN |
LAD@SF | OVER 7.5 | 54.7% | 4 | LOSS |
NYM@PHI | PHI -122 | 55.6% | 4 | WIN |
KC@CLE | KC -104 | 52.0% | 3 | WIN |
CIN@SD | JAKE CRONEWORTH OVER 0.5 HITS | 53.1% | 3 | WIN |
WAS@MIA | MIA -123 | 55.2% | 4 | LOSS |
LAA@KC | UNDER 9.5 | 54.9% | 3 | WIN |
TEX@ARI | UNDER 9 | 54.2% | 4 | WIN |
SF@COL | UNDER 11.5 | 56.4% | 6 | LOSS |
SF@COL | RAFAEL DEVERS OVER 1.5 BASES | 56.1% | 6 | WIN |
MIA@WAS | WAS -110 | 54.4% | 4 | WIN |
NYM@DET | OVER 8.5 | 54.5% | 4 | WIN |
TEX@ARI | UNDER 9.5 | 56.4% | 6 | WIN |
TEX@ARI | ALEJANDRO OSUNA UNDER 1.5 BASES | 54.1% | 4 | LOSS |
ATL@CHC | CHC -116 | 55.1% | 3 | WIN |
PHI@MIL | OVER 8.5 | 55.0% | 3 | WIN |
ARI@LAD | SHOHEI OHTANI OVER 2.5 BASES | 54.2% | 4 | WIN |
SEA@CLE | CLE +1.5 | 57.2% | 3 | WIN |
CHC@SF | CHC -105 | 54.1% | 4 | LOSS |
NYY@CHW | RYAN MCMAHON OVER 0.5 BASES | 54.1% | 4 | WIN |
PHI@NYM | OVER 8.5 | 55.6% | 4 | LOSS |
LAA@TEX | LOGAN OHOPPE OVER 1.5 HITS+RUNS+RBIS | 54.1% | 4 | LOSS |
KC@CHW | KC -109 | 54.2% | 4 | WIN |
SD@SEA | DYLAN CEASE OVER 16.5 OUTS | 53.9% | 3 | LOSS |
SD@SEA | UNDER 8.5 | 54.4% | 4 | LOSS |
MIN@TOR | JOE RYAN UNDER 2.5 EARNED RUNS | 54.1% | 4 | LOSS |
SF@MIL | MIL +100 | 54.0% | 6 | LOSS |
TOR@MIA | MIA +1.5 | 62.0% | 6 | WIN |
CHC@LAA | OVER 9.5 | 54.9% | 4 | LOSS |
BOS@NYY | CARLOS RODON UNDER 4.5 HITS ALLOWED | 54.2% | 4 | WIN |
KC@DET | DET -115 | 56.1% | 5 | WIN |
CHC@LAA | LAA +1.5 | 57.6% | 5 | LOSS |