The Seattle Mariners opened the American League Championship Series with a 3-1 victory over the Toronto Blue Jays in Game 1 on October 13, 2025, with first pitch at 4:03 a.m. local time at Rogers Centre in Toronto.
In front of 44,474 fans and a national FOX audience, Seattle used timely hitting and strong pitching to take a 1-0 series lead.
The timeline of the Seattle Mariners vs Toronto Blue Jays contest reflects a tightly contested duel that shifted decisively in the middle innings.
Toronto struck first in the bottom of the first inning when George Springer homered to right field, giving the Blue Jays a 1-0 advantage.
Seattle responded in the sixth inning, a turning point clearly highlighted in the game timeline.
Cal Raleigh launched a 420-foot solo home run to right-center to tie the score at 1-1.
Moments later, Julio RodrÃguez walked and advanced on a wild pitch before Jorge Polanco singled to left, driving in RodrÃguez to put Seattle ahead 2-1.
The Mariners extended the lead in the eighth inning as Randy Arozarena walked, stole second and third, and scored on another Polanco single to right field.
From there, the timeline shows Toronto unable to mount a late rally against Seattle’s bullpen.
Pitching Performance
Bryce Miller delivered six strong innings, allowing just two hits and one earned run while striking out three.
Miller improved to 1-0 in the postseason and maintained a steady rhythm after the early home run.
Gabe Speier and Matt Brash combined for two scoreless innings before Andrés Muñoz closed out the ninth for his second save.
Kevin Gausman took the loss for Toronto after allowing two earned runs in 5.2 innings.
Seattle’s pitching limited the Blue Jays to just two total hits across nine innings.
Hitting Summary
The Mariners recorded seven hits compared to Toronto’s two.
Raleigh went 2-for-4 with a home run and one RBI, while Polanco finished 2-for-4 with two RBIs.
Julio RodrÃguez scored once and reached base twice.
For Toronto, Springer’s first-inning homer accounted for the team’s only run.
Travis d’Arnaud and the rest of the lineup were held quiet as the Mariners controlled the pace.
Team Comparison
| Category | Mariners | Blue Jays |
|---|---|---|
| Runs | 3 | 1 |
| Hits | 7 | 2 |
| Home Runs | 1 | 1 |
| Total Bases | 11 | 5 |
| Left on Base | 7 | 4 |
| Errors | 1 | 0 |
| Game Time | 2:48 | 2:48 |
Play-By-Play Timeline
| Inning | Key Event | Score |
|---|---|---|
| Bottom 1st | Springer HR to right | TOR 1-0 |
| Top 6th | Raleigh solo HR (420 ft) | 1-1 |
| Top 6th | Polanco RBI single | SEA 2-1 |
| Top 8th | Polanco RBI single, Arozarena scores | SEA 3-1 |
| Bottom 9th | Muñoz retires side | SEA 3-1 Final |
Seattle’s bullpen dominance defined the final three innings, as Toronto failed to advance a runner past first base late in the game.
The Mariners controlled the timeline from the sixth inning onward, combining aggressive baserunning with disciplined pitching.
With Game 1 secured, Seattle now holds early momentum in the ALCS as the series continues in Toronto.