October 15, 2025 11:36 AM EST

Toronto Blue Jays vs Seattle Mariners 10/15/2025

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The Seattle Mariners are 53-31 at home this season and are solid favorites to beat the Toronto Blue Jays who are 41-42 on the road this season. The Mariners have a better than 55% chance of winning based on 10,000 game simulations generated one play at a time by the AccuScore Simulation Supercomputer. Mariners starter George Kirby is forecasted to have a better game than Blue Jays starter Shane Bieber. George Kirby has a 57% chance of having a Quality Start (QS) while Shane Bieber has a 43% chance of a QS. If George Kirby has a quality start the Mariners has a 79% chance of winning. His simulated strikeout to walk ratio is 5.5 and he has a 50% chance of having a 5 to 1 K/BB ratio. When he has a 5/1 ratio the Mariners win 65%. In Shane Bieber quality starts the Blue Jays win 59%. He has a 39% chance of having a 5 to 1 K/BB ratio and if he does his team wins 59% 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 2.3 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 Mariners have a 75% chance of winning. The most productive batter for the Toronto Blue Jays is George Springer who averaged 2.06 hits+walks+RBI. He has a 34% chance of having a big game with 3+ Hits, Walks, RBI and if he has a big game the Blue Jays have a 51% chance of winning.

CURRENT SEASON: We advise relying on these trends after the first 6 to 8 weeks of the season. UNITS EDGE FAVORS: Toronto Blue Jays

Toronto Blue JaysRECORDSeattle MarinersRECORDUNITS EDGE
Record on the Road41-42, 49% -270Record at Home53-31, 63% 344Seattle Mariners
VS Seattle Mariners4-4, 50% 50VS Toronto Blue Jays4-4, 50% 7Toronto Blue Jays
vs Team .500 or Better52-44, 54% 809vs Team .500 or Better52-45, 54% 258Toronto Blue Jays
Record As Road Underdog24-23, 51% 491Record As Home Favorite47-28, 63% -32Toronto Blue Jays
When Shane Bieber Starts5-3, 62% -14When George Kirby Starts13-11, 54% -131Toronto Blue Jays

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

Toronto Blue JaysRECORDSeattle MarinersRECORDUNITS EDGE
Record on the Road4-5, 44% -94Record at Home5-4, 56% -41Seattle Mariners
VS Seattle Mariners0-2, 0% -200VS Toronto Blue Jays2-0, 100% 244Seattle Mariners
vs Team .500 or Better5-7, 42% -195vs Team .500 or Better7-4, 64% 245Seattle Mariners
Record As Road Underdog2-1, 67% 142Record As Home Favorite3-4, 43% -283Toronto Blue Jays
When Shane Bieber Starts1-2, 33% -147When George Kirby Starts2-2, 50% 6Seattle Mariners

OVER-UNDER TRENDS

Toronto Blue JaysRECORDSeattle MarinersRECORDO-U EDGE
OVER-UNDER ON ROAD42-38, 52% OverOVER-UNDER AT HOME40-40, 50% OverOVER
ROAD OVER-UNDER PAST 30 DAYS4-5, 44% OverROAD OVER-UNDER PAST 30 DAYS2-6, 25% OverUNDER
ROAD OVER-UNDER LAST SEASON35-43, 45% OverROAD OVER-UNDER LAST SEASON32-44, 42% OverUNDER
OVER-UNDER IN Shane Bieber STARTS4-4, 50% OverOVER-UNDER IN George Kirby STARTS13-10, 57% 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) - Toronto Blue Jays Road Games: 47-36, 57% +172 Seattle Mariners Home Games: 41-43, 49% -1235 SIDE VALUE (PAST 30 DAYS) - Toronto Blue Jays Road Games: 7-2, 78% +327 Seattle Mariners Home Games: 5-4, 56% -41

MONEY LINE (Current Season) - Toronto Blue Jays Road Games: 43-40, 52% -583 Seattle Mariners Home Games: 51-33, 61% +9 MONEY LINE (PAST 30 DAYS) - Toronto Blue Jays Road Games: 4-5, 44% -143 Seattle Mariners Home Games: 5-4, 56% -41

OVER-UNDER RECORD (Current Season) - Toronto Blue Jays Road Games: 32-42, 43% -1420 Seattle Mariners Home Games: 38-35, 52% -50 OVER-UNDER RECORD (PAST 30 DAYS) - Toronto Blue Jays Road Games: 3-5, 38% -250 Seattle Mariners Home Games: 2-6, 25% -460

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