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The Mariners odds to win the World Series are +3000.
The Mariners AL pennant odds are +1300.
The Mariners AL West champion odds are +350
The Mariners odds to make the playoffs are +110. Their odds to miss the playoffs are -130.
The Boston Red Sox (-120) visit T-Mobile Park to take on the Seattle Mariners (+100) on Wednesday, June 18, 2025. First pitch is scheduled for 4:10pm EDT in Seattle, WA, WA. This season, the Boston Re Read More
Find out where the Seattle Mariners rank in MLB payroll and the highest-paid players on their team this season. Read More
The Boston Red Sox (+150) visit T-Mobile Park to take on the Seattle Mariners (-185) on Tuesday, June 17, 2025. First pitch is scheduled for 9:40pm EDT in Seattle, WA. This season, the Red Sox are 38- Read More
The Boston Red Sox (+155) visit T-Mobile Park to take on the Seattle Mariners (-190) on Monday, June 16, 2025. First pitch is scheduled for 9:40pm EDT in Seattle, WA. This season, the Red Sox are 37-3 Read More
The Cleveland Guardians (+100) visit T-Mobile Park to take on the Seattle Mariners (-120) on Sunday, June 15, 2025. First pitch is scheduled for 4:10pm EDT in Seattle, WA. This season, the Guardians a Read More
The Cleveland Guardians (+115) visit T-Mobile Park to take on the Seattle Mariners (-135) on Saturday, June 14, 2025. First pitch is scheduled for 9:40pm EDT in Seattle, WA. This season, the Guardians Read More
The Cleveland Guardians (-105) visit T-Mobile Park to take on the Seattle Mariners (-115) on Friday, June 13, 2025. First pitch is scheduled for 10:10pm EDT in Seattle, WA, WA. This season, the Guardi Read More
Where do the Seattle Mariners sit in the current MLB postseason bracket? Updated playoff odds and projected seed for the Mariners. Read More
The Seattle Mariners (-115) visit Chase Field to take on the Arizona Diamondbacks (-105) on Wednesday, June 11, 2025. First pitch is scheduled for 3:40pm EDT in Phoenix, AZ. This season, the Mariners Read More
Run lines, over/under totals, moneylines, and more odds are available for each Mariners game this season.
If you’re in Washington and interested in odds for other teams, check out:
Will the Mariners win the AL West? Will they win the AL pennant? How many home runs will a certain player hit this season?
For example: If you bet $40 on the Mariners (+600) to make the postseason, the bet would settle when Seattle is eliminated or when they clinch a postseason berth.
The run line is baseball’s version of the spread. What’s the final scoring margin of the game?
For example: If you bet $80 on the Mariners -1.5 (+210) against the Oakland Athletics, Seattle must win the game by at least two runs.
Alternatively, if you bet $80 on the Mariners +1.5 (-120) against the New York Yankees, Seattle must lose by one run (or win the game).
Will the Mariners win the game?
For example: If you bet $75 on the Mariners -300 against the Pittsburgh Pirates, Seattle must win the game (in nine innings or extra innings).
How many combined runs will be scored by both teams in the matchup?
For example: If you bet $30 on over 7.5 (-110) in their game against the Kansas City Royals , the teams must combine for at least eight runs.
Alternatively, if you bet $40 on under 7.5 (-110), the teams must combine for seven or fewer runs.
If the combined run total is the same as the over/under total, the bet is a push.
You can combine bets and other bets — baseball or another sport — into one parlay.
For example: If you bet $20 on a two-leg parlay with the Mariners moneyline (-180) vs. the San Francisco Giants and over 7.5 (-110) in the Baltimore Orioles-Tampa Bay Rays game, both must hit for the bet to cash.
If one bet is a push, it’s eliminated from the parlay, and odds (and payout) are recalculated without that leg.
