August 08, 2025 7:21 AM EST

Tampa Bay Rays vs Seattle Mariners 8/8/2025

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The Seattle Mariners are 30-25 at home this season and the Tampa Bay Rays are 23-28 on the road this season. This is a close match-up with both teams having a 45 to 55 percent chance of winning based on 10,000 game simulations generated one play at a time by the AccuScore Simulation Supercomputer. Mariners starter Luis Castillo is forecasted to have a better game than Rays starter Drew Rasmussen. Luis Castillo has a 54% chance of having a Quality Start (QS) while Drew Rasmussen has a 46% chance of a QS. If Luis Castillo has a quality start the Mariners has a 74% chance of winning. His simulated strikeout to walk ratio is 3.9 and he has a 34% chance of having a 5 to 1 K/BB ratio. When he has a 5/1 ratio the Mariners win 61%. In Drew Rasmussen quality starts the Rays win 66%. He has a 32% chance of having a 5 to 1 K/BB ratio and if he does his team wins 66% of simulations. In simulations we tracked the batter for each team that was most productive based his average hits, walks and RBI per simulation. The most productive batter for the Seattle Mariners is Cal Raleigh who averaged 2.18 hits+walks+RBI. He has a 38% chance of having a big game with 3+ Hits, Walks, RBI and if he has a big game the Mariners have a 70% chance of winning. The most productive batter for the Tampa Bay Rays is Yandy Diaz who averaged 2.16 hits+walks+RBI. He has a 37% chance of having a big game with 3+ Hits, Walks, RBI and if he has a big game the Rays have a 60% chance of winning.

CURRENT SEASON: We advise relying on these trends after the first 6 to 8 weeks of the season. UNITS EDGE FAVORS: Tampa Bay Rays

Tampa Bay RaysRECORDSeattle MarinersRECORDUNITS EDGE
Record on the Road23-28, 45% -206Record at Home30-25, 55% -364Tampa Bay Rays
VS Seattle Mariners0-0 No GamesVS Tampa Bay Rays0-0 No GamesN/A
vs Team .500 or Better33-36, 48% -296vs Team .500 or Better37-28, 57% 606Seattle Mariners
Record As Road Underdog20-19, 51% 468Record As Home Favorite26-22, 54% -498Tampa Bay Rays
When Drew Rasmussen Starts13-9, 59% 102When Luis Castillo Starts13-11, 54% -23Tampa Bay Rays

PAST 30 DAYS: We advise incorporating these trends along with the current Season after the first 6 to 8 weeks. UNITS EDGE FAVORS: Seattle Mariners

Tampa Bay RaysRECORDSeattle MarinersRECORDUNITS EDGE
Record on the Road2-10, 17% -779Record at Home5-4, 56% -80Seattle Mariners
VS Seattle Mariners0-0 No GamesVS Tampa Bay Rays0-0 No GamesN/A
vs Team .500 or Better4-13, 24% -1000vs Team .500 or Better4-7, 36% -432Seattle Mariners
Record As Road Underdog2-8, 20% -579Record As Home Favorite5-4, 56% -80Seattle Mariners
When Drew Rasmussen Starts3-1, 75% 103When Luis Castillo Starts3-2, 60% 114Seattle Mariners

OVER-UNDER TRENDS

Tampa Bay RaysRECORDSeattle MarinersRECORDO-U EDGE
OVER-UNDER ON ROAD20-29, 41% OverOVER-UNDER AT HOME26-26, 50% OverUNDER
ROAD OVER-UNDER PAST 30 DAYS3-7, 30% OverROAD OVER-UNDER PAST 30 DAYS4-5, 44% OverUNDER
ROAD OVER-UNDER LAST SEASON32-46, 41% OverROAD OVER-UNDER LAST SEASON32-44, 42% OverUNDER
OVER-UNDER IN Drew Rasmussen STARTS6-15, 29% OverOVER-UNDER IN Luis Castillo STARTS12-10, 55% OverN/A

ACCUSCORE ADVISOR: AccuScore simulates every game thousands of times one play at a time. We are the industry standard in sports forecasting and the only company to be paid for sports picks and predictions by the biggest sports companies in the world. Our newest product, the AccuScore Advisor, provides Side Value, Money Line and Over-Under picks for every MLB game and rates them as One, Two, Three or Four Star picks. Three and Four Star picks have delivered over +10,000 units of profit the past 2 seasons. Visit AccuScore.com to find out what AccuScore\'s Advisor recommends for this game. The following trends are AccuScore\'s RIGHT-WRONG records and units (+/-) when making picks involving these teams.

SIDE VALUE (Current Season) - Tampa Bay Rays Road Games: 33-18, 65% +1225 Seattle Mariners Home Games: 25-30, 45% -895 SIDE VALUE (PAST 30 DAYS) - Tampa Bay Rays Road Games: 7-5, 58% +67 Seattle Mariners Home Games: 4-5, 44% -232

MONEY LINE (Current Season) - Tampa Bay Rays Road Games: 28-23, 55% -45 Seattle Mariners Home Games: 29-26, 53% -528 MONEY LINE (PAST 30 DAYS) - Tampa Bay Rays Road Games: 7-5, 58% +28 Seattle Mariners Home Games: 5-4, 56% -80

OVER-UNDER RECORD (Current Season) - Tampa Bay Rays Road Games: 21-20, 51% -100 Seattle Mariners Home Games: 29-19, 60% + 810 OVER-UNDER RECORD (PAST 30 DAYS) - Tampa Bay Rays Road Games: 4-3, 57% + 70 Seattle Mariners Home Games: 2-5, 29% -350

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