Blue Jays vs. Mariners ALCS Game 1 Prediction, Odds, Picks - October 12

The Toronto Blue Jays will host the Seattle Mariners to begin the ALCS on Sunday at 8:03 p.m. ET, live on FOX from Rogers Centre. The Blue Jays are favored in this one, at -164, while the underdog Mariners have +138 odds to upset. Toronto (-1.5) is the favorite on the run line. The total is 8 runs for the matchup (with -109 odds on the over and -111 odds on the under).

Here is everything you need to know from a betting perspective on the Blue Jays-Mariners game, regarding the run line, moneyline and total, plus expert picks.

Keep up with MLB on FOX Sports.

‘Seeing something we have never seen before’ – ‘MLB on Fox’ crew previews Mariners vs. Blue Jays

The ‘MLB on Fox’ crew previewed the ALCS between the Seattle Mariners and the Toronto Blue Jays.

Blue Jays vs. Mariners Game Information & Odds

• When: Sunday, October 12, 2025 at 8:03 p.m. ET
• Where: Rogers Centre in Toronto, Ontario
• How to watch on TV: FOX

Blue Jays vs. Mariners Prediction

• Score Prediction: Blue Jays 5, Mariners 4
• Total Prediction: Over 8 runs
• Win Probabilities: Blue Jays 54%, Mariners 46%

Blue Jays vs. Mariners Betting Insights

• The Blue Jays have been favorites in 87 games this season and won 52 (59.8%) of those contests.
• Toronto has a record of 23-5, a 82.1% win rate, when favored by -164 or more by oddsmakers this season.
• The Blue Jays have a 62.1% chance to win this game based on the implied probability of the moneyline.
• The Mariners have been victorious in 25, or 50%, of the 50 contests they have been chosen as underdogs in this season.
• Seattle has a win-loss record of 4-4 when favored by +138 or worse by bookmakers this year.
• The Mariners have an implied victory probability of 42% according to the moneyline set by sportsbooks for this matchup.

Blue Jays Recent Betting Performance

• The Blue Jays were the moneyline favorite in six of their last 10 games, and they went 5-1 in those matchups.
• In their last 10 outings, the Blue Jays and their opponents combined to go over the run total five times (all 10 of the games had set totals).
• The Blue Jays' ATS record is 7-3-0 over their past 10 games.

Blue Jays Recent Stats

Blue Jays Player Insights

• Vladimir Guerrero Jr. has 34 doubles, 23 home runs and 81 walks while batting .292.
• Guerrero's home runs rank him 62nd in the majors, and he ranks 43rd in RBI.
• Guerrero carries a five-game hitting streak into this matchup. In his last five games he is batting .455 with three home runs, two walks and 10 RBIs.
• George Springer has hit 32 home runs to pace his team.
• Including all major league hitters, Springer ranks 17th in home runs and 43rd in RBI.
• Ernie Clement has 35 doubles, two triples, nine home runs and 27 walks while hitting .277.
• Clement will look to build on his three-game hitting in this game. During his last five outings he is hitting .588 with a double, a home run, a walk and five RBIs.
• Alejandro Kirk is hitting .282 with 18 doubles, 15 home runs and 48 walks.

Blue Jays Team Props

Mariners Recent Betting Performance

• The Mariners have played as underdogs in three of their past 10 games and have gone 2-1 in those contests.
• In their last 10 games with a total, the Mariners and their opponents have combined to hit the over five times.
• The Mariners have five wins against the spread in their last 10 chances.

Mariners Recent Stats

Mariners Player Insights

• Cal Raleigh leads the Mariners in home runs (60) and runs batted in (125).
• Among all batters in the big leagues, Raleigh's home run total ranks first and his RBI tally ranks third.
• Raleigh has collected a hit in six straight games. In his last 10 games he is batting .333 with three doubles, three home runs, six walks and eight RBIs.
• Julio Rodriguez has 31 doubles, four triples, 32 home runs and 44 walks while batting .267.
• Rodriguez is 17th among all batters in MLB in homers, and 20th in RBI.
• Josh Naylor leads the Mariners' lineup with a .295 batting average.
• Eugenio Suarez is hitting .228 with 28 doubles, 49 home runs and 46 walks.

Mariners Team Props

‘Seeing something we have never seen before’ – ‘MLB on Fox’ crew previews Mariners vs. Blue Jays

The ‘MLB on Fox’ crew previewed the ALCS between the Seattle Mariners and the Toronto Blue Jays.

FOX Sports created this story using technology provided by Data Skrive and data from Sportradar.

Want great stories delivered right to your inbox? Create or log in to your FOX Sports account, follow leagues, teams and players to receive a personalized newsletter daily.

FOLLOW Follow your favorites to personalize your FOX Sports experience

Toronto Blue Jays

Seattle Mariners