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Sports·MLB·Seattle Mariners
Seattle Mariners

Mariners MLB Baseball Odds 2026

SEA|25 players
Trading Volume$175.6M
Active Markets111
Win Rate49%
Record52-55

Player Roster

Active

PlayerName
M
Mitch Garver
#18
R
Rob Refsnyder
#30
J
J.P. Crawford
#3
J
Josh Naylor
#12
V
Victor Robles
#10
G
Gabe Speier
#55
R
Randy Arozarena
#56
L
Luis Castillo
#58
W
Weston Wilson
#31
J
Julio Rodríguez
#44
A
Andrés Muñoz
#75
L
Luke Raley
#20
L
Logan Gilbert
#36
C
Cal Raleigh
#29
M
Michael Rucker
#38
E
Eduard Bazardo
#83
G
George Kirby
#68
E
Emerson Hancock
#26
C
Cole Wilcox
#43
B
Bryce Miller
#50
B
Bryan Woo
#22
D
Dominic Canzone
#8
J
José A. Ferrer
#45
C
Cole Young
#2
A
Alex Hoppe
#48

Player Stats

Hitters

PlayerAVGHRRBIRSBOPS
Dominic Canzone0.26016463510.839
Cole Young0.25613485030.717
Randy Arozarena0.284134766190.833
Julio Rodríguez0.255154549120.732
Luke Raley0.22815392810.731
Josh Naylor0.25883741210.677
Cal Raleigh0.16510352420.569
J.P. Crawford0.21510303810.683
Colt Emerson0.2027212230.630
Mitch Garver0.1804141710.604

Pitchers

PlayerWLERASOIPSV
Logan Gilbert863.440125.70
George Kirby893.9801200
Bryan Woo774.370115.30
Emerson Hancock643.160105.30
Luis Castillo394.85094.70

Team Stats

Seattle Mariners

107 GP
AVG0.230
HR124
RBI413
R429
SB78
OPS0.686
ERA3.68

All Markets

Seattle Mariners Markets
Minnesota Twins vs. Seattle MarinersMinnesota Twins50%Seattle Mariners51%
Will there be a run scored in the first inning?: Minnesota Twins vs. Seattle MarinersYes50%No50%
Minnesota Twins vs. Seattle MarinersMinnesota Twins50%Seattle Mariners50%
Will there be a run scored in the first inning?: Minnesota Twins vs. Seattle MarinersYes51%No50%
Minnesota Twins vs. Seattle MarinersMinnesota Twins43%Seattle Mariners57%
Will there be a run scored in the first inning?: Minnesota Twins vs. Seattle MarinersYes60%No40%
Seattle Mariners vs. Los Angeles DodgersSeattle Mariners42%Los Angeles Dodgers59%
Will there be a run scored in the first inning?: Seattle Mariners vs. Los Angeles DodgersYes50%No50%
Seattle Mariners vs. Los Angeles DodgersSeattle Mariners42%Los Angeles Dodgers59%
Will there be a run scored in the first inning?: Seattle Mariners vs. Los Angeles DodgersYes52%No48%
Spread: Los Angeles Dodgers (-1.5)Los Angeles Dodgers41%Seattle Mariners60%
Seattle Mariners vs. Los Angeles Dodgers: O/U 9.5Over48%Under53%
1st 5 Innings Spread: Los Angeles Dodgers (-1.5)Los Angeles Dodgers35%Seattle Mariners65%
1st 5 Innings Spread: Seattle Mariners (-1.5)Seattle Mariners27%Los Angeles Dodgers74%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 2.5Over82%Under19%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 3.5Over69%Under31%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 4.5Over56%Under45%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 5.5Over45%Under55%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 6.5Over34%Under66%
Will the game go to extra innings?: Seattle Mariners vs. Los Angeles DodgersYes9%No92%
Spread: Los Angeles Dodgers (-2.5)Los Angeles Dodgers31%Seattle Mariners70%
Spread: Seattle Mariners (-1.5)Seattle Mariners33%Los Angeles Dodgers68%
Spread: Seattle Mariners (-2.5)Seattle Mariners23%Los Angeles Dodgers77%
Seattle Mariners vs. Los Angeles Dodgers: O/U 10.5Over41%Under60%
Seattle Mariners vs. Los Angeles Dodgers: O/U 8.5Over58%Under42%
Seattle Mariners vs. Los Angeles DodgersSeattle Mariners27%Los Angeles Dodgers74%
Spread: Los Angeles Dodgers (-1.5)Los Angeles Dodgers53%Seattle Mariners47%
Seattle Mariners vs. Los Angeles Dodgers: O/U 9.5Over43%Under57%
1st 5 Innings Spread: Los Angeles Dodgers (-1.5)Los Angeles Dodgers50%Seattle Mariners50%
1st 5 Innings Spread: Seattle Mariners (-1.5)Seattle Mariners50%Los Angeles Dodgers50%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 2.5Over100%Under0%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 3.5Over81%Under19%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 4.5Over70%Under30%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 5.5Over62%Under38%
Seattle Mariners vs. Los Angeles Dodgers: 1st 5 Innings O/U 6.5Over60%Under41%
Will the game go to extra innings?: Seattle Mariners vs. Los Angeles DodgersYes50%No50%
Spread: Los Angeles Dodgers (-2.5)Los Angeles Dodgers40%Seattle Mariners61%
Spread: Seattle Mariners (-1.5)Seattle Mariners17%Los Angeles Dodgers84%
Spread: Seattle Mariners (-2.5)Seattle Mariners10%Los Angeles Dodgers91%
Seattle Mariners vs. Los Angeles Dodgers: O/U 8.5Over56%Under44%
Seattle Mariners vs. Los Angeles Dodgers: O/U 10.5Over36%Under65%
Spread: Los Angeles Dodgers (-3.5)Los Angeles Dodgers28%Seattle Mariners72%

About Seattle Mariners

Frequently Asked Questions

Polymarket currently hosts 111 active markets for Seattle Mariners (SEA) with over $175.6M in total trading volume. You can trade on game winners (moneyline), spreads, totals (over/under), and other markets across all of their upcoming games. Each market is priced as an implied probability — for example, a price of 65¢ means traders collectively believe there is a 65% chance of that outcome. New markets are added as Seattle Mariners's schedule progresses.

Based on their recent games, Seattle Mariners has a 49% win rate with a record of 52-55. You can view their full game-by-game results on this page, including scores, opponents, and context. Recent form is one of the strongest factors influencing market odds — a team on a winning streak will typically see higher implied probabilities, while a losing run often shifts odds against them.

Each MLB market on Polymarket is structured as a yes/no question — for example, "Will Seattle Mariners win?" You buy shares in "Yes" or "No" at the current market price, which reflects the crowd-sourced implied probability. If your side is correct when the game concludes, your shares pay out $1 each. If incorrect, they pay $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss. Prices update in real-time as traders react to news like injury reports, lineup changes, and other developments.

All Seattle Mariners markets resolve based on official game results, including overtime or extra periods where applicable. Moneyline markets resolve based on the final result of the game. Spread markets resolve based on the final margin relative to the posted line. Totals (over/under) resolve based on the combined final score. You can check the Rules on any individual market page to see the exact resolution criteria, including how postponements or cancellations are handled.

Polymarket odds are set by real traders putting real money behind their positions, which tends to produce well-calibrated probabilities. With over $175.6M traded on Seattle Mariners markets alone, these prices aggregate the collective knowledge of participants who follow MLB closely — factoring in team form, injuries, schedule strength, and head-to-head records. Prediction markets have a strong track record of accuracy, often outperforming traditional sources by reflecting the latest information as it emerges. Visit the accuracy page on Polymarket for the latest accuracy metrics across different time periods.

Several factors can move Seattle Mariners's odds on Polymarket. The most impactful include recent results and form, injury reports and lineup changes, schedule context (regular season vs. playoffs), head-to-head history against specific opponents, and home vs. away performance. Traders incorporate all of these variables into the price, which is why odds can shift rapidly when new information like a key player being ruled out becomes available.

Yes. This page is a free resource for tracking Seattle Mariners's game results, win rate, and live market odds — no account or trade required. You can monitor how odds shift in real-time as a way to gauge market sentiment on Seattle Mariners's upcoming games. If you decide to trade later, you can sign up and fund your account at any time.

Sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Then return to this page, choose any active Seattle Mariners market, select the side you want to trade, enter your amount, and confirm. Your position will be visible in your portfolio, and you can sell at any time before the market resolves.

On Polymarket, the price of each side in a market represents the market's implied probability. A price of 65¢ for SEA on the moneyline means traders collectively believe there is roughly a 65% chance that Seattle Mariners will win that game. If you buy SEA shares at 65¢ and they win, you receive $1 per share — a profit of 35¢ per share. If they lose, those shares are worth $0. Prices shift in real-time as new information emerges and traders update their positions.

Polymarket is the world's largest prediction market, where you can stay informed and trade on real-world events. Traders buy and sell shares on outcomes across politics, sports, crypto, finance, tech, culture, and esports — including MLB games for teams like Seattle Mariners. Prices reflect real-time, crowd-sourced probabilities backed by real money, offering a transparent, market-driven alternative to traditional odds sources. Visit polymarket.com to explore all available markets.

Updated Jul 28, 2026 11:00 pm ET