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Sports·MLB·Seattle Mariners
Seattle Mariners

Mariners MLB Baseball Odds 2026

SEA|25 players
Trading Volume$198.5M
Active Markets61
Win Rate48%
Record62-68

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
C
Carlos Vargas
#54
M
Michael Rucker
#38
B
Brendan Donovan
#33
E
Eduard Bazardo
#83
G
George Kirby
#68
E
Emerson Hancock
#26
B
Bryce Miller
#50
B
Bryan Woo
#22
D
Dominic Canzone
#8
J
José A. Ferrer
#45
C
Cole Young
#2
B
Brock Rodden
#90

Player Stats

Hitters

PlayerAVGHRRBIRSBOPS
Randy Arozarena0.275195783200.832
Dominic Canzone0.25619564510.813
Julio Rodríguez0.250195358160.723
Cole Young0.25315566130.705
Cal Raleigh0.15814472820.580
Josh Naylor0.265104648250.695
Luke Raley0.22515392810.723
J.P. Crawford0.21210303810.675
Taylor Ward0.2367326740.698
Colt Emerson0.1908232430.581

Pitchers

PlayerWLERASOIPSV
Logan Gilbert1073.350150.30
George Kirby8104.1801400
Bryan Woo984.10138.30
Emerson Hancock773.370133.70
Bryce Miller473.71089.70

Team Stats

Seattle Mariners

130 GP
AVG0.230
HR148
RBI494
R511
SB89
OPS0.684
ERA4.01

All Markets

Seattle Mariners Markets
Seattle Mariners vs. Toronto Blue JaysSeattle Mariners50%Toronto Blue Jays50%
Will there be a run scored in the first inning?: Seattle Mariners vs. Toronto Blue JaysYes49%No51%
Seattle Mariners vs. Toronto Blue JaysSeattle Mariners50%Toronto Blue Jays50%
Will there be a run scored in the first inning?: Seattle Mariners vs. Toronto Blue JaysYes50%No51%
Philadelphia Phillies vs. Seattle MarinersPhiladelphia Phillies53%Seattle Mariners48%
Will there be a run scored in the first inning?: Philadelphia Phillies vs. Seattle MarinersYes47%No54%
Philadelphia Phillies vs. Seattle MarinersPhiladelphia Phillies47%Seattle Mariners54%
Will there be a run scored in the first inning?: Philadelphia Phillies vs. Seattle MarinersYes56%No45%
Philadelphia Phillies vs. Seattle MarinersPhiladelphia Phillies53%Seattle Mariners47%
Will there be a run scored in the first inning?: Philadelphia Phillies vs. Seattle MarinersYes42%No58%
Chicago Cubs vs. Seattle MarinersChicago Cubs53%Seattle Mariners48%
Will there be a run scored in the first inning?: Chicago Cubs vs. Seattle MarinersYes47%No54%
Spread: Chicago Cubs (-1.5)Chicago Cubs39%Seattle Mariners62%
Chicago Cubs vs. Seattle Mariners: O/U 7.5Over50%Under51%
1st 5 Innings Spread: Seattle Mariners (-1.5)Seattle Mariners27%Chicago Cubs74%
1st 5 Innings Spread: Chicago Cubs (-1.5)Chicago Cubs28%Seattle Mariners72%
Chicago Cubs vs. Seattle Mariners: 1st 5 Innings O/U 2.5Over71%Under30%
Chicago Cubs vs. Seattle Mariners: 1st 5 Innings O/U 3.5Over56%Under44%
Chicago Cubs vs. Seattle Mariners: 1st 5 Innings O/U 4.5Over45%Under56%
Chicago Cubs vs. Seattle Mariners: 1st 5 Innings O/U 5.5Over32%Under69%
Chicago Cubs vs. Seattle Mariners: 1st 5 Innings O/U 6.5Over22%Under79%
Will the game go to extra innings?: Chicago Cubs vs. Seattle MarinersYes10%No91%
Spread: Seattle Mariners (-2.5)Seattle Mariners20%Chicago Cubs80%
Spread: Seattle Mariners (-1.5)Seattle Mariners31%Chicago Cubs70%
Spread: Chicago Cubs (-2.5)Chicago Cubs28%Seattle Mariners73%
Chicago Cubs vs. Seattle Mariners: O/U 6.5Over62%Under39%
Chicago Cubs vs. Seattle Mariners: O/U 8.5Over41%Under59%

About Seattle Mariners

Frequently Asked Questions

Polymarket currently hosts 61 active markets for Seattle Mariners (SEA) with over $198.5M 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 48% win rate with a record of 62-68. 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 $198.5M 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 23, 2026 12:23 pm ET