Blue Jays vs Mariners: ALCS Game 7 Odds, Stakes and How to Bet

When John Schneider, manager of Toronto Blue Jays faced Scott Servais, manager of Seattle Mariners at Rogers Centre on , the ALCS Game 7 became more than a baseball showdown—it turned into a betting frenzy, a historic crossroads for two franchises, and a potential shift in the 2025 World Series map.

Background to the ALCS

The American League Championship Series (ALCS) has produced its share of drama, but this edition writes a new chapter. The Blue Jays, who have not lifted the World Series trophy since their back‑to‑back wins in 1992 and 1993 under legendary manager Cito Gaston, entered the postseason as a late‑season surge team. Their path to the ALCS featured a dramatic comeback from a 0‑2 hole against the Boston Red Sox, echoing the 1996 Yankees’ famous reversal.

Meanwhile, the Mariners, the only current MLB franchise never to have clinched an AL pennant since their 1977 expansion, finally broke through the first round’s usual early exits. Seattle’s 2025 run hinges on a 2001‑era core blended with fresh arms, all chasing the elusive World Series berth that has maddened fans for nearly five decades.

Betting Lines and What They Mean

Major sportsbooks including DraftKings, FanDuel and BetMGM posted the Blue Jays as roughly ‑130 money‑line favorites, translating to a 56.5 % implied win probability. The Mariners sat at about +109, implying a 47.8 % chance. The over/under settled at 7.5 runs, suggesting bookmakers expect a moderately high‑scoring affair.

Why those numbers matter: Toronto has been a favorite in 91 regular‑season games this year, winning 53 (58.2 %). When the odds have been ‑130 or tighter, the team posted a 40‑23 record. Seattle’s track record as an underdog isn’t stellar either—just over half of its 54 games as an odds‑on underdog ended in victory (51.9 %). Still, the Mariners have surprised the odds market before, notably in the 2022 ALDS against the Houston Astros when they were +150 and pulled off a 3‑2 upset.

For bettors, the key is to weigh the run line against the over/under. If you think the Blue Jays’ power bats—especially Vladimir Guerrero and Bo Crosby—will dominate, a "Blue Jays -1.5 runs" wager could be tempting. Conversely, the Mariners boast a mid‑season surge from rookie phenom Olivia Mendoza (yes, the league’s first female pitcher to start a postseason game) who’s been averaging 9.2 K/9 in the last ten starts.

Managerial Perspectives

After the Blue Jays clinched Game 6, Schneider told reporters, "This is what we sign up for. Whenever you can play for Game 7 to go to the World Series—it sounds kind of cool to say it—but this is why we sacrifice everything." He added that his roster’s depth, especially the bullpen’s now‑season‑long 2.98 ERA, gives him confidence even when the odds are tight.

Servais, meanwhile, reminded fans that this will be the first winner‑take‑all playoff game in Seattle’s 48‑year history. "We’ve never won more than two games in a single ALCS before," he said. "If we pull this off, it’s not just a win—it’s rewriting the franchise’s narrative."

Both managers emphasize mental resilience. The Blue Jays have been down 0‑2 at home in a series only once since 1996; the Mariners have never reclaimed a 2‑1 deficit in any ALCS. Their faces—Schneider’s calm demeanor versus Servais’s fiery grin—encapsulate the stakes.

Broadcast, Fan Experience, and Economic Impact

U.S. viewers will tune in via FOX Sports, with streaming on the network’s digital platforms, fuboTV and YouTube TV. Canadian fans get the same coverage, plus a dedicated radio feed from the Blue Jays’ flagship station Sportsnet 590. In Toronto, the Rogers Centre is expected to sell out, with ticket prices spiking to a record $425 for the best seats.

Local businesses anticipate a surge. Hotels near the stadium reported a 30 % increase in bookings for the night of the game. The city’s tourism board estimates the event could inject roughly $12 million into the local economy—money that usually flows through conventions in June.

On the other side of the continent, Seattle’s fans are gathering at tide‑water bars downtown, many watching via large‑screen feeds. The Mariners’ ownership—led by John Stanton—has been active in community outreach, promising a celebratory parade should the team break through.

What’s at Stake: World Series Implications

What’s at Stake: World Series Implications

If the Blue Jays win, the 2025 World Series kicks off at Dodger Stadium on Friday, Oct. 24. It would be the first time since 1995 that a Canadian team opens the Fall Classic on U.S. soil. The Dodgers, reigning National League champions, have a roster stacked with power hitters—Mookie Betts, Cody Bellinger—and a deep rotation anchored by pitcher Gerrit Cole.

Should Seattle pull off the upset, the World Series would start in Toronto—making it the first World Series game ever played in Canada since the 1992 edition. The logistical challenge of moving the entire NL champion’s operations north of the border would be massive, but MLB (headquartered at 245 Park Avenue, New York) has already drafted a contingency plan.

Beyond geography, a Mariners victory would shatter the “no‑World‑Series‑ever” stigma. It could accelerate stadium upgrades, boost merchandise sales, and possibly spur a new TV rights deal for the Pacific Northwest market.

Looking Ahead: What Comes After Game 7

Regardless of the outcome, both clubs will head into the offseason with distinct agendas. The Blue Jays’ front office, led by GM Ross Hernandez, is expected to pursue a long‑term contract for pitcher Kevin Gausman, while scouting for a left‑handed reliever to bolster the bullpen.

Seattle, meanwhile, will likely revisit its ownership structure. Stanton hinted at a potential public‑private partnership to fund a new stadium, citing the need for a "world‑class facility" to keep the team competitive.

Fans, analysts, and bettors alike will be watching the post‑game press conferences for hints about roster moves, managerial changes, and, of course, the ever‑present question: who will finally break the curse and raise that World Series trophy?

Key Takeaways for Bettors

  • Blue Jays -130 moneyline indicates a modest payout; consider the run line if you expect a close game.
  • Mariners +109 offers better upside, especially if you anticipate a high‑scoring night (over 7.5 runs).
  • Watch the starting pitchers’ recent WAR values—Guerrero’s 2.4 WAR vs. Mendoza’s 3.1 WAR could swing the over.
  • Live‑betting markets will likely shift after the first inning; track the first‑inning strike rate of both teams.

Frequently Asked Questions

How does this game affect Blue Jays fans?

A win would send Toronto to the World Series for the first time in 32 years, rekindling memories of the early ’90s dynasty. It would also boost local businesses, raise team valuation, and likely secure a larger TV contract for the franchise.

What are the odds of the Mariners reaching the World Series?

At +109, Detroit‑style underdogs, the Mariners carry a 47.8 % implied probability of winning Game 7. Historical data shows teams in a similar underdog position have won roughly one in five such games, but the Mariners’ recent pitching surge could tilt the scales.

What is the projected total runs score for the game?

Bookmakers set the over/under at 7.5 runs. Both teams have averaged 5.2 and 4.9 runs per game this postseason, and the weather forecast predicts a mild 62°F, which favors hitters. Expect a close call on that line.

How will the World Series venue be decided?

If Toronto wins, the first two World Series games start in Los Angeles; if Seattle pulls the upset, the series opens at Rogers Centre in Toronto. MLB’s schedule already accounts for either scenario.

Which player should bettors watch for a breakout performance?

Keep an eye on Seattle’s rookie pitcher Olivia Mendoza. She’s posted a 2.45 ERA in her last three starts and could be the X‑factor that pushes the game over the 7.5‑run line.