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Seattle Mariners Playoff Odds

AL West · 58-66 · #3 in Division · W1
8.8%
Playoff Probability
Long Shot

Season Overview

Record58-66
Win %0.468
Games Remaining38
Projected Record77-85
Projected Seed#12
StreakW1

Playoff Numbers

Playoff Odds8.8%
Win Division6.1%
Magic Number
Schedule Difficulty#29 of 30
Hardest RemainingMIL (away), MIL (away), MIL (away)
Best Case Tonight11%
Worst Case Tonight6%

Postseason Path

Make WC Round8.8%
Win Division Series4.6%
Win LCS2.1%
Win Pennant0.8%
Win World Series0.3%

Playoff Odds Over Time

Seed Probabilities

SeedProbability
#2 Seed0.5%
#3 Seed5.6%
#5 Seed0.2%
#6 Seed2.5%
#7 Seed3.2%
#8 Seed4.8%
#9 Seed13.1%
#10 Seed9.0%
#11 Seed21.1%
#12 Seed37.1%

AL West Standings

TeamRecordPlayoff Odds
Houston Astros63-6175.0%
Texas Rangers61-6333.4%
Seattle Mariners58-668.8%
Los Angeles Angels49-750.0%
Oakland Athletics48-750.0%

Seattle Mariners 2026 Playoff Chances

The Seattle Mariners currently have a 8.8% probability of making the 2026 MLB playoffs, based on BaseChaser's 100,000 Monte Carlo simulations updated daily. With a record of 58-66 and 38 games remaining, the Mariners are projected to finish the season at 77-85.

Their remaining schedule ranks #29 in difficulty out of 30 MLB teams. Tonight, their playoff odds range from 6% (worst case) to 11% (best case) depending on results around the league.

These Seattle Mariners playoff odds are calculated using Elo ratings calibrated to real game results, blended with WAR-based team strength priors. BaseChaser simulates the entire remaining MLB season 100,000 times, accounting for schedule difficulty, head-to-head matchups, and division/Wild Card tiebreaker rules.

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