Here’s a concise update on the Mariners’ 2025 season based on recent reporting:
Finish and postseason run: The Seattle Mariners went 90-72 in 2025 and finished first in the AL West, but they were eliminated by the Toronto Blue Jays in the ALCS, 4 games to 3. This marked a strong regular season and a deep playoff push, though they didn’t advance to the World Series [StatMuse summary of 2025 season].[1]
Postseason context: The ALCS loss to Toronto extended the Mariners’ recent playoff exposure, continuing a period of competitive teams in Seattle but with the challenge of closing out a pennant run [StatMuse summary of 2025 season].[1]
Narrative notes from spring and previews: Early 2025 coverage highlighted cautious optimism about the rotation’s health and depth, with attention to how the lineup might improve after adjustments and coaching influences from the prior season. Points often cited included bullpen stability, offensive consistency, and the impact of new or extended contracts on key players like Cal Raleigh, along with evaluating prospects and depth rotations for continued competitiveness [SI: Teren’s Take, 2025 preview summaries].[2][8]
Transactions and roster moves: Through 2025, the Mariners made typical midseason and offseason adjustments, including promotions from the minors, minor-league rehab assignments, and occasional designate-for-assignment moves as they managed depth and performance across the roster. ESPN and MLB coverage show continued activity with call-ups, injuries, and rotation/lineup shuffles as the season progressed [ESPN transactions lists], and fans followed updated rosters via MLB.com previews and season articles.[4][5][6][8]
Season previews and expectations: Preseason pieces emphasized durability of the starting staff (Gilbert, Castillo, Kirby, Miller, Woo) and the challenge of maintaining health to keep them atop the division, while acknowledging that offensive output and depth would be critical to sustaining a playoff trajectory [MLB.com season preview].[8]
If you’d like, I can pull the latest, most specific game-by-game results, or summarize how the Mariners performed against particular rivals (Blue Jays, Astros, Rangers) in 2025, and provide a short, sourced timeline of key roster moves and milestones.
The Seattle Mariners last season missed out on the playoffs by one game despite having a starting rotation that was arguably the best in baseball. But after spe
www.si.com3/11/25 Baseball is back! The best time of the year is here and there is optimism for most of the league (sorry White Sox fans) and the Seattle Mariners are one of those teams hoping that they can climb their way back into the playoffs in 2025. After ending the long, 20-year playoff drought […]
www.elisportsnetwork.comThis story was excerpted from Daniel Kramer’s Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.
www.mlb.comLatest roster transactions for the 2025 Seattle Mariners on ESPN. Find all transactions, including the latest signed, traded and waived Mariners players.
www.espn.comLatest roster transactions for the 2025 Seattle Mariners on ESPN (AU). Find all transactions, including the latest signed, traded and waived Mariners players.
www.espn.com.auThe Seattle Mariners were 90-72 in 2025. They finished 1st in the AL West. They lost in the 2025 ALCS against the Toronto Blue Jays, 4 games to 3.
www.statmuse.comThis story was excerpted from Daniel Kramer's Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.
www.mlb.comThis story was excerpted from Daniel Kramer’s Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.
www.mlb.comA document summarizing the Seattle Mariners ' Stove League b
en.namu.wiki