Toronto Blue Jays vs Seattle Mariners Betting Pick & Prediction for ALCS Game 3 on 10/15

Game 3 of the ALCS is here with the Seattle Mariners hosting the Toronto Blue Jays at T-Mobile Park. The Mariners lead the series 2–0 and look to extend their advantage. The game will be played on Wednesday, October 15, 2025, at 8:08 PM.

Shane Bieber will start for the Blue Jays with a 3.57 ERA and a WHIP of 1.02. George Kirby takes the mound for the Mariners, bringing a 4.21 ERA and a WHIP of 1.19. The Mariners have the home field advantage, and the retractable roof may keep the weather from being a factor.

Toronto Blue Jays Team Preview

The Toronto Blue Jays have had a mix of results in their recent games. They won against the New York Yankees on October 8th with a score of 5-2. In this game, the Blue Jays collected 12 hits, with Nathan Lukes contributing two hits and two RBIs.

In their latest outing against the Seattle Mariners on October 13th, the Blue Jays faced a 10-3 defeat. Trey Yesavage started the game, allowing five earned runs in four innings. Nathan Lukes was a bright spot with three hits and an RBI.

The Blue Jays have shown strong hitting stats throughout the season. They lead the league in batting average at .265 and rank third in doubles. Despite this, they rank 11th in home runs and have faced challenges in recent games against the Mariners.

Blue Jays vs Mariners Game Day Info

• Sport: MLB
• Teams: Toronto Blue Jays vs. Seattle Mariners
• Venue: T-Mobile Park in Seattle, WA
• Date: Wednesday, October 15, 2025
• Betting Odds: Blue Jays Moneyline +115, Mariners Moneyline -135, Blue Jays Runline +1.5 (-197), Mariners Runline -1.5 (+163), Total Over 7.0 (-105), Total Under 7.0 (-116)

Seattle Mariners Team Preview

The Seattle Mariners have been performing well in their recent games. They won their last game against the Toronto Blue Jays, 10-3, with strong hitting. Josh Naylor, Jorge Polanco, and Julio Rodríguez all hit home runs in that game.

The Mariners’ hitting stats show they rank 11th in batting average with .244. Their on-base percentage is .319, placing them 7th. They are 3rd in home runs with 238 this season.

George Kirby will start for the Mariners in the next game against the Blue Jays. He has an ERA of 4.21 and a record of 10 wins and 8 losses. In his last outing, he pitched five innings against the Tigers, allowing just one earned run.

BTB Betting Pick

The Mariners are favored on the moneyline at -135, while the Blue Jays are at +115. The Mariners have a slightly better pitching staff with a 3.87 ERA compared to the Blue Jays’ 4.19 ERA. Given the Mariners’ stronger pitching and home advantage, the pick is for the Mariners to win the game with a projected score of Mariners 4, Blue Jays 3.

The total for this game is set at 7.0 runs, with the over at -105 and the under at -116. The Blue Jays have the top batting average in the league, while the Mariners have hit the third-most home runs. Both teams have strong offensive stats, so the pick is to go over 7.0 runs with a projected total of 7 runs.