Seattle Mariners vs Toronto Blue Jays Prediction 10/19/2025 Today’s MLB Picks

In this article, we will formulate a Mariners vs Blue Jays Prediction for this MLB game on Sunday, October 19th at the Rogers Centre in Game 6 of the ALCS, with the Mariners having the 3-2 lead. Let’s take a look at the prediction for this MLB matchup.

Toronto Blue Jays Preview

The Toronto Blue Jays have a 99-72 record this season and were placed first in the AL East. They have a 56-29 home record, and are 93-73 in over/under. They are coming off 2-6 road defeat by the Mariners in Game 5 of the series, which ended their two-game winning streak. Over is 8-2 in their last 10 games.

The Blue Jays have a .265 batting average this season, .333 OBP and .427 Slugging percentage. Toronto’s pitching staff has a 4.19 ERA and 1.27 WHIP. Vladimir Guerrero Jr. leads the Blue Jays with 16 hits and he is the team’s best hitter with a .457 batting average. He also leads the team both in RBI with 11 and in home runs with 5.

Trey Yesavage (R) is the projected starting pitcher for the Blue Jays, and he has a 1-0 record, 3.21 ERA and 1.43 WHIP.

Seattle Mariners Preview

The Seattle Mariners have a 96-76 record this season and were placed first in the AL West. The Mariners have a 42-43 road record and are 95-71 in over/under. They are coming off a 6-2 home victory over the Blue Jays in Game 5, which ended their two-game losing streak. Over is 6-2 in their last 8 games.

The Mariners have a .244 batting average this season, .320 OBP and .420 Slugging percentage. Seattle’s pitching staff has a 3.87 ERA and 1.22 WHIP. Josh Naylor leads the Mariners in hits in the postseason with 13, while Cal Raleigh is the team’s best hitter with a .333 batting average, adding a team-high 4 home runs. Jorge Polanco leads the team both in RBI with 8.

Logan Gilbert (R) is the projected starting pitcher for the Mariners, and he has a 6-6 record, 3.44 ERA and 1.03 WHIP.

Seattle Mariners @ Toronto Blue Jays Betting Trends: October 19, 2025

• Probable Starting Pitcher: Trey Yesavage      Record this season (inc. playoffs): 2-1      ERA: 3.86
• Home Record: 2-1
• Last 5 against Mariners: 0-1

Why the Toronto Blue Jays will win

• The Blue Jays have won each of their last four home games following a road loss.
• The Mariners have lost seven of their last eight games as underdogs against AL East opponents following a home win.
• The Blue Jays have covered the run line in five of their last six night games against the Mariners at Rogers Centre following a loss.
• The Mariners have failed to cover the run line in nine of their last 11 road games against AL East opponents.
• The Blue Jays have led after 5 innings in six of their last seven home games.
• The Mariners have trailed after 3 innings in six of their last seven night games against AL East opponents.
• The Mariners have lost the first inning in four of their last five games as road underdogs against American League opponents.

• Probable Starting Pitcher: Logan Gilbert      Record this season (inc. playoffs): 7-6      ERA: 3.36
• Road Record: 4-4
• Last 5 against Blue Jays: 0-0

Why the Seattle Mariners will win

• The underdogs have won each of the last eight games between the Mariners and Blue Jays.
• The Blue Jays have lost each of their last five playoff games as favorites against AL West opponents.
• The underdogs have covered the run line in each of the last eight games between the Mariners and Blue Jays.
• The Blue Jays have failed to cover the run line in each of their last six playoff games as favorites against AL West opponents.
• The Mariners have led after 3 innings in nine of their last 12 road games.
• The Mariners have led after 5 innings in five of their last six road night games.

Total Runs Facts

• Nine of the last 10 games between the Mariners and Blue Jays have gone OVER the total runs line.
• Seven of the Mariners’ last eight games against AL East opponents have gone OVER the total runs line.
• The ‘Inning 1 OVER 0.5 runs’ market has hit in each of the Mariners’ last seven games as road underdogs.
• The ‘Inning 1 OVER 0.5 runs’ market has hit in each of the last five games between the Mariners and Blue Jays at Rogers Centre.

Toronto Blue Jays Player Prop Facts

• Andres Gimenez has hit a home run in each of the Blue Jays’ last two night games.
• Bo Bichette has recorded a Double in each of his last five appearances against AL opponents that held a winning record.
• Bo Bichette has recorded at least one hit in each of his last 21 appearances with the Blue Jays as home favorites against AL opponents.
• George Springer ranks 2nd amongst qualified players for On Base Percentage (.399) this season.

Seattle Mariners Player Prop Facts

• Cal Raleigh has hit at least one home run in seven of his last eight appearances against the Blue Jays after not playing the previous day.
• Julio Rodriguez has recorded at least one hit in each of the Mariners’ last eight games as road underdogs against AL opponents.
• Cal Raleigh ranks 1st in the league in Home Runs (60) this season.

Matchup/League Facts

• The Blue Jays rank 1st in the league for hits this season (1461).
• The Blue Jays rank 1st in the league for batting average this season (.265).
• The Mariners rank 29th in the league for doubles this season (234).
• The Mariners rank T29th in the league for triples this season (9).

Mariners vs Blue Jays Prediction

The Blue Jays are 5-3 in their last 8 meetings against the Mariners, but the Mariners have won their last 4 visits in Toronto. Over is 11-2 in their last 13 meetings.

In this Mariners vs Blue Jays Prediction, the Blue Jays are coming as -125 home favorites. The Jays lost both home games in this series, with Yesavage pitching in one of them, and got torched with 5 earned runs in 4 innings of work. On the flip side, Gilbert has the starter for Seattle in that game and had just two earned runs, and he has been elite overall this season. Seattle also has the better bullpen and are slightly better against right-handed pitching, so I expect them to win this one and advance to the World Series.