With each week of the offseason bringing new updates for the Mariners, it can be easy to lose track of everything that has gone on. Our Mariners offseason tracker is a one-stop shop for easily digestible M’s winter information.

The Seattle Mariners’ Plan A was to have Jorge Polanco return for a couple years as a veteran infield bat, but with that now off the table, what hitters should the M’s be looking to as offseason augmentations?

With the MLB league meetings in the rearview mirror, the Mariners still have plenty of offseason business to tend to, starting with questions at second and third base.

While Seattle’s options are still quite open in the 2025 MLB winter meetings, some moves around the rest of the league have set the guiderails for what the Mariners can and can’t do when it comes to their offseason targets.

The MLB offseason is fast approaching, and for the Mariners, that means decisions about five members of the 2025 team who are becoming free agents this winter. What should Seattle do with these five players?

With their backs to the wall for what seemed like the 100th time in 2025, the Seattle Mariners came up big in a Game 5 for the history books. How did the M’s rise again from the grave on Friday afternoon?

After a down 2024 and a pedestrian playoff history in Minnesota, few might have expected Jorge Polanco to headline Seattle’s October run in 2025. But the switch-hitting infielder had given months’ worth of signs that he was primed for the postseason.

Despite some early uncertainty, the Mariners delivered a statement Game 2 win in Rogers Centre, tapping a variety of heroes as they return home with a big advantage for Game 3.

Few expected that a Blue Jays team coming off an offensive firestorm would be all but shut down, but that’s what Bryce Miller and the Mariners did on Sunday night’s opener. How did Seattle strike ahead in Game 1?

A 15-inning epic, a long-awaited return, an instant classic. The Mariners’ marathon win over the Detroit Tigers defied logic and expectations, but perhaps that was the only way such a victory could occur.

In a near five-hour baseball extravaganza with over 500 pitches thrown and 15 pitchers used, the Mariners advanced to the ALCS for the first time since 2001 with a 3-2 win over the Detroit Tigers in 15 innings thanks to a walkoff single by Jorge Polanco.

Like almost everything involving the 2025 Mariners, it went down to the wire. Yet due to the success of some of their greatest heroes—and despite the errors of another—the M’s pulled through on Sunday night.

The Seattle Mariners tied the American League Division Series with Detroit 1-1 with a 3-2 win on Sunday. What were the keys to Seattle’s important win to keep hopes of winning the ALDS alive?

As morning dawns on the Mariners’ mistakes from Saturday night, some final things can be gleaned before the team gears up to face Tarik Skubal in Game 2. What might be on Seattle’s mind headed into Sunday?

A little too much went wrong against the defending champions on Saturday, and the Mariners are on the verge of being swept in their final (although mostly meaningless) series of the year. What kept the team out of the win column on the penultimate day of the season?

It’s hard not to be romantic about baseball. Everything fell into place exactly as the Mariners wished on Wednesday night, with history made in two separate ways in front of a sellout crowd.

The surreal has become real with one week left in the season, as the Seattle Mariners have swept the Houston Astros in the biggest series of the season. What led to Seattle’s sweep-clinching Sunday victory?

The Seattle Mariners may have finally slain their unrelenting demons on Saturday night in Houston. Cal Raleigh got his 57th home run, George Kirby balled out on the mound, but it was the last play of the game that will go down in Mariners legend.

Some things, like the elite pitching duel, can be gleaned from Thursday’s box score, but the game also contained a bafflingly odd sequence that reminds us of baseball’s oddities as the M’s moved back into first place in the West.

Seattle’s vaunted 10-game winning streak has come to a close, with Mariners both present and former playing key roles in the Wednesday drama. What happened to stymie Seattle’s fortunes in game two?