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Sports·MLB·Seattle Mariners
Seattle Mariners

Mariners MLB Baseball Odds 2026

SEA|25 players
Trading Volume$195.3M
Active Markets30
Win Rate47%
Record59-67

Player Roster

Active

PlayerName
J
Josh Naylor
#12
V
Victor Robles
#10
G
Gabe Speier
#55
T
Taylor Ward
#27
R
Randy Arozarena
#56
S
Seranthony Domínguez
#58
W
Weston Wilson
#31
J
Julio Rodríguez
#44
L
Leo Rivas
#76
A
Andrés Muñoz
#75
J
Jhonny Pereda
#5
L
Logan Gilbert
#36
C
Cal Raleigh
#29
M
Michael Rucker
#38
B
Brendan Donovan
#33
E
Eduard Bazardo
#83
G
George Kirby
#68
E
Emerson Hancock
#26
N
Nick Davila
#82
B
Bryce Miller
#50
B
Bryan Woo
#22
D
Dominic Canzone
#8
J
Josh Simpson
#37
J
José A. Ferrer
#45
C
Cole Young
#2

Player Stats

Hitters

PlayerAVGHRRBIRSBOPS
Julio Rodríguez0.256195258160.743
Dominic Canzone0.26019524310.831
Cole Young0.25815565830.716
Randy Arozarena0.274175378200.820
Cal Raleigh0.15713442720.570
Josh Naylor0.267104447240.702
Luke Raley0.22515392810.723
J.P. Crawford0.21210303810.675
Taylor Ward0.2407306540.707
Colt Emerson0.1908232430.581

Pitchers

PlayerWLERASOIPSV
Logan Gilbert973.280145.30
Bryan Woo984.10138.30
George Kirby893.890136.70
Emerson Hancock773.3101280
Bryce Miller473.71089.70

Team Stats

Seattle Mariners

126 GP
AVG0.229
HR145
RBI473
R489
SB88
OPS0.686
ERA3.97

All Markets

Seattle Mariners Markets
Philadelphia Phillies vs. Seattle MarinersPhiladelphia Phillies50%Seattle Mariners50%
Will there be a run scored in the first inning?: Philadelphia Phillies vs. Seattle MarinersYes52%No48%
Chicago Cubs vs. Seattle MarinersChicago Cubs50%Seattle Mariners50%
Will there be a run scored in the first inning?: Chicago Cubs vs. Seattle MarinersYes48%No52%
Chicago Cubs vs. Seattle MarinersChicago Cubs50%Seattle Mariners50%
Will there be a run scored in the first inning?: Chicago Cubs vs. Seattle MarinersYes48%No53%
Chicago Cubs vs. Seattle MarinersChicago Cubs53%Seattle Mariners48%
Will there be a run scored in the first inning?: Chicago Cubs vs. Seattle MarinersYes51%No50%
Seattle Mariners vs. Milwaukee BrewersSeattle Mariners46%Milwaukee Brewers55%
Will there be a run scored in the first inning?: Seattle Mariners vs. Milwaukee BrewersYes45%No55%
Seattle Mariners vs. Milwaukee BrewersSeattle Mariners46%Milwaukee Brewers55%
Will there be a run scored in the first inning?: Seattle Mariners vs. Milwaukee BrewersYes42%No58%
Spread: Milwaukee Brewers (-1.5)Milwaukee Brewers35%Seattle Mariners66%
Seattle Mariners vs. Milwaukee Brewers: O/U 7.5Over46%Under55%
1st 5 Innings Spread: Milwaukee Brewers (-1.5)Milwaukee Brewers28%Seattle Mariners72%
1st 5 Innings Spread: Seattle Mariners (-1.5)Seattle Mariners30%Milwaukee Brewers71%
Seattle Mariners vs. Milwaukee Brewers: 1st 5 Innings O/U 2.5Over68%Under32%
Seattle Mariners vs. Milwaukee Brewers: 1st 5 Innings O/U 3.5Over53%Under48%
Seattle Mariners vs. Milwaukee Brewers: 1st 5 Innings O/U 4.5Over40%Under61%
Seattle Mariners vs. Milwaukee Brewers: 1st 5 Innings O/U 5.5Over29%Under71%
Seattle Mariners vs. Milwaukee Brewers: 1st 5 Innings O/U 6.5Over19%Under81%
Will the game go to extra innings?: Seattle Mariners vs. Milwaukee BrewersYes9%No91%
Spread: Milwaukee Brewers (-2.5)Milwaukee Brewers25%Seattle Mariners76%
Spread: Seattle Mariners (-1.5)Seattle Mariners34%Milwaukee Brewers67%
Spread: Seattle Mariners (-2.5)Seattle Mariners24%Milwaukee Brewers76%
Seattle Mariners vs. Milwaukee Brewers: O/U 6.5Over57%Under43%
Seattle Mariners vs. Milwaukee Brewers: O/U 8.5Over38%Under62%

About Seattle Mariners

Frequently Asked Questions

Polymarket currently hosts 30 active markets for Seattle Mariners (SEA) with over $195.3M 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 47% win rate with a record of 59-67. 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 $195.3M 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 Aug 19, 2026 7:12 am ET