The Seattle Mariners take on the Toronto Blue Jays in Game 1 of the ALCS on Sunday, October 12, 2025. The game will be held at Rogers Centre in Toronto, with the first pitch scheduled for 8:03 PM. Fans can catch the action on FOX, and the weather is expected to be clear with a mild breeze.

Mariners vs. Blue Jays Betting Prediction

• Money Line Prediction: Toronto Blue Jays -172. The Blue Jays have a strong home record of 54-27 this season. Kevin Gausman, with an ERA of 3.59, gives them an edge on the mound.
• Over/Under Prediction: Over 8.0 (-111). Both teams have powerful offenses, with the Mariners ranking 3rd in home runs and the Blue Jays having the highest team batting average. This could lead to a high-scoring game.

Team Trends

• The Seattle Mariners had a road record of 39-42 during the regular season.
• The Toronto Blue Jays finished the regular season with a home record of 54-27.
• Seattle Mariners manager is Dan Wilson, while the Toronto Blue Jays are managed by John Schneider.
• In their last game, the Mariners won 3-2 against the Detroit Tigers at home.
• The Blue Jays won their last game 5-2 against the New York Yankees on the road.

Mariners vs Blue Jays Preview

The Seattle Mariners and Toronto Blue Jays meet in Game 1 of the ALCS. This game is at Rogers Centre, where the Blue Jays will try to use their home-field advantage. The Mariners are looking to start strong in this best-of-7 series.

Bryce Miller takes the mound for the Mariners with an ERA of 5.68. He will face Kevin Gausman, who has an ERA of 3.59 for the Blue Jays. Fans can expect an exciting game with these pitchers leading their teams.

The Blue Jays’ Home Advantage

The Toronto Blue Jays have a strong lineup with Vladimir Guerrero Jr. leading the way. He played 156 games this season with a .292 batting average. Guerrero also hit 23 home runs and scored 96 runs, ranking first on the team in both categories. Bo Bichette is another key player for the Blue Jays. In 139 games, he achieved a .311 batting average. Bichette also led the team with 94 RBIs, showing his importance in driving in runs. On the mound, Kevin Gausman is set to start for the Blue Jays. He has an ERA of 3.59 and a WHIP of 1.06 this season. Gausman aims to improve his record of 10-11 in this game against the Mariners.

Mariners’ Road Challenge

Cal Raleigh is a key player for the Mariners. He played in 159 games this season. Raleigh leads the team with 60 home runs and 125 RBIs. Eugenio Suárez also contributes to the Mariners’ offense. He played 159 games with a .228 batting average. Suárez ranks second on the team with 49 home runs and 118 RBIs. On the mound, Bryce Miller will start for the Mariners. He has an ERA of 5.68 and a WHIP of 1.41. Miller’s current record stands at 4-6.

Final Betting Pick

The Toronto Blue Jays are favored at -172 on the money line. They have a strong home record of 54-27. Kevin Gausman is starting, and he has a solid ERA of 3.59. This gives the Blue Jays a good chance to win. The Mariners have a losing road record of 39-42, which could be a disadvantage against the Blue Jays at home. For the over/under, the prediction is over 8.0. Both teams have strong offenses. The Mariners rank 3rd in home runs, while the Blue Jays have the highest team batting average. These factors suggest a high-scoring game is likely. With both teams having powerful hitters, the over is a reasonable choice.

All odds are courtesy of Action247 Sportsbook. Good luck!!

* All odds are provided by Action247 Sportsbook and all odds subject to change. **All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk. Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.