Game 1 of the ALCS kicks off at Rogers Centre as the Seattle Mariners visit the Toronto Blue Jays. Both teams begin this best-of-7 series with a clean slate, each eyeing a crucial first win in their quest for the pennant. Fans can catch the action on FOX at 8:03 PM on Sunday, October 12, 2025.
The Mariners, managed by Dan Wilson, arrive with a solid 90-72 regular season record, but they face challenges on the road, going 39-42 away from T-Mobile Park. Recent performances show mixed results, with a tight 3-2 win over the Detroit Tigers highlighting their resilience. Key contributors like Josh Naylor and Jorge Polanco will be crucial in this matchup.
The Blue Jays, guided by John Schneider, boast a stronger regular season record of 94-68 and an impressive 54-27 home record. Their recent 5-2 victory over the New York Yankees showcased their depth, with standout performances from Ernie Clement and Nathan Lukes. With a retractable roof mitigating weather impacts, Toronto looks to capitalize on home field advantage.
Blue Jays vs Mariners ALCS 1 At a Glance
- Game Context: This is Game 1 of the ALCS, with the series tied at 0-0.
- Stadium: Rogers Centre in Toronto, ON with a retractable roof.
- Weather: Clear sky, mild day with breezy wind crosswind, likely unaffected due to the retractable roof.
- Broadcast: Watch the game on FOX at 8:03 PM on Sunday, October 12, 2025.
- Odds: Mariners are at +140, Blue Jays at -165 for the moneyline.
- Season Records: Mariners finished the regular season 90-72, while the Blue Jays ended at 94-68.
Toronto Blue Jays Ready to Test Mariners in ALCS
Seattle Mariners Hitting Overview
The Seattle Mariners come into the ALCS with a potent lineup that ranked 10th in the league in OPS during the regular season. Players like Cal Raleigh, Julio Rodriguez, and Josh Naylor are central to their offensive strategy, providing power and run production.
Raleigh, in particular, has been a standout performer in the postseason, hitting .438 with a home run and four RBIs. His ability to handle high-pressure situations could be a significant factor in Seattle’s performance against the Blue Jays.
Seattle Mariners Pitching Overview
The Mariners’ starting rotation has shown strength in the postseason, with pitchers like Logan Gilbert, George Kirby, and Luis Castillo leading the charge. They have allowed only five runs in 20 innings during the playoffs, demonstrating their effectiveness.
However, the bullpen has faced challenges, conceding 12 runs in four postseason games. The Mariners will need to shore up their relief pitching to contend with Toronto’s balanced offensive attack.
Key Mariners Players to Watch
Julio Rodriguez has been a key player for Seattle, providing both offensive power and defensive prowess in center field. His performance will be crucial in the Mariners’ efforts to contain Toronto’s hitters.
Josh Naylor adds depth to Seattle’s lineup with his ability to hit for power and drive in runs. His contribution will be essential for the Mariners to compete against the Blue Jays’ strong pitching staff.
Mariners Starting Pitcher: Bryce Miller
Bryce Miller takes the mound for the Mariners with a 5.68 ERA and a 4-6 record in the regular season. His performance will be critical as he faces a potent Blue Jays lineup that excelled during the regular season.
Miller has struggled with consistency, and Seattle will need him to find his form quickly to set the tone for the series. His ability to navigate through Toronto’s lineup will be pivotal in the series opener.
Seattle Mariners Betting Trends
- SU Last 3 Games: 2-1 (66.7%)
- SU Last 5 Games: 3-2 (60.0%)
- SU All Games: 3-2 (60.0%)
- SU as Favorite: 1-1 (50.0%)
- SU as Underdog: 2-1 (66.7%)
- Runline as Favorite: 1-1 (50.0%)
- Runline as Underdog: 2-1 (66.7%)
- O/U as Favorite: 1-1 (50.0%)
- O/U as Underdog: 2-1 (66.7%)
Mariners Set Sail for ALCS Opener Against Blue Jays
Offensive Overview
The Seattle Mariners have demonstrated a consistent offensive performance this season, with a batting average ranking 11th in the league at .244. Their on-base percentage is particularly strong, sitting at 7th in the league at .319, which reflects their disciplined approach at the plate.
Home run power has been a significant aspect of their offense, as they rank 3rd in the league with 238 homers. However, their ability to hit doubles has been less impressive, ranking 26th with just 234.
Pitching Performance
On the mound, the Mariners’ pitching staff has maintained a respectable 3.87 ERA, placing them 12th in the league. They have effectively limited opponents’ batting averages to .240, which ranks them 10th overall.
The team has also excelled in delivering quality starts, ranking 6th with 67. While they have given up 192 home runs, which is 16th in the league, their ability to strike out batters has been notable, ranking 7th with 1426 strikeouts.
Key Players to Watch
Cal Raleigh has been a standout performer for the Mariners, leading the team with 60 home runs and 125 RBIs. His contribution has been pivotal in Seattle’s offensive success.
Eugenio Suárez has also been a vital player, with 49 home runs and 118 RBIs, offering significant power in the lineup. Josh Naylor’s consistent batting average of .295 and 92 RBIs further bolsters their offensive depth.
Pitching Rotation and Strategy
Bryce Miller is set to start for the Mariners in Game 1 of the ALCS, presenting a crucial opportunity for him to shine on the big stage. With an ERA of 5.68 and a WHIP of 1.41, he will need to elevate his performance to keep the Blue Jays at bay.
George Kirby and Bryan Woo are expected to play significant roles later in the series. Kirby, with his reliable track record, and Woo, making his postseason debut, will be key components in the Mariners’ pitching strategy.
Team Betting Trends
- SU Last 3 Games: 2-1 (66.7%)
- SU in Away Games: 1-1 (50.0%)
- Runline Last 3: 2-1 (66.7%)
- Runline in Away Games: 1-1 (50.0%)
- O/U in Away Games: 2-0 (100.0%)
Blue Jays vs Mariners Prediction: Over 7.5
The Toronto Blue Jays and Seattle Mariners are set for a high-scoring affair in Game 1 of the ALCS. The Blue Jays have demonstrated a potent offense throughout the playoffs, with Vladimir Guerrero Jr. leading the charge with a .529 average and three home runs in the ALDS against the Yankees. Furthermore, the Blue Jays’ offense has been in sync, scoring 34 runs across four games in the previous series.
Meanwhile, the Seattle Mariners are coming off a dramatic 15-inning victory against the Detroit Tigers, showcasing their offensive resilience. While Bryce Miller will start for the Mariners, his season ERA of 5.68 suggests that the Blue Jays’ lineup can exploit this matchup. Given Toronto’s success against Miller in the regular season and the Mariners’ bullpen struggles, Toronto’s offensive capabilities should shine.
Additionally, the Mariners’ lineup, featuring power hitters like Cal Raleigh and Jorge Polanco, adds to the potential for a high-scoring game. With both teams having productive offenses and the history of high-scoring games in their head-to-head matchups, this game is likely to exceed the projected total of 7.5 runs.
Considering both teams’ offensive strengths and the pitching matchup, the expectation is for a high-scoring Game 1 at the Rogers Centre. Projected final score: Blue Jays 7 – Mariners 5.
- Blue Jays vs Mariners Prediction: Over 7.5
- Blue Jays vs Mariners Score: Blue Jays 7 – Mariners 5
