October 2, 2025 – Game 1 of the American League Division Series starts on Saturday, October 4th at T-Mobile Park in Seattle. Their opponent has yet to be decided as several teams face elimination in three wild card series concluding today. The 2025 season marked a turning point for the Seattle Mariners, who captured their first American League West title since 2001, reigniting hope for a franchise long starved for postseason glory.
The season started with Ichiro Suzuki being inducted into the National Baseball Hall of Fame as part of the class of 2025, becoming the first Japanese player to be elected to the Hall of Fame in his first year of eligibility, receiving 99.7% of the vote. His legendary career includes 4,367 combined hits from Japan and the US, 10 Gold Glove Awards, and the MLB single-season record for hits with 262 in 2004.
At the heart of Seattle’s breakout campaign was Cal Raleigh, who delivered one of the most historic offensive seasons in MLB history. The switch-hitting catcher blasted 60 home runs, becoming the first catcher in league history to reach that milestone. He also broke the Mariners’ single-season home run record and set a new MLB benchmark for most homers by a switch-hitter. Raleigh finished with 125 RBIs, leading the American League and anchoring Seattle’s powerful lineup.
On the mound, Bryan Woo emerged as the team’s ace. The young right-hander earned an All-Star selection, consistently pitched deep into games, and flirted with multiple no-hitters over the season. While the rotation and bullpen saw some inconsistency, the Mariners’ offense compensated, ranking among the league’s best in run production.
The season was filled with signature moments: Randy Arozarena’s dramatic April grand slam and walk-off walk, a 16-of-17 win stretch, and a playoff-clinching victory over Colorado that secured a first-round bye.
Other key player performers included: Julio Rodríguez who played all 160 games and had an OPS of .798. His 32 home runs, dynamic offensive and base-running presence were a key part of the Mariner’s success.
J.P Crawford hit a batting average of .265 and played in 157 games.
By the Numbers
The Seattle Mariners finished the 2025 regular season with a record of 90 wins and 72 losses, winning the AL West division and securing a playoff spot.
- Record: 90-72
- Home Runs: 238
- Attendance: 2,538,053 (6th in MLB)
- Seattle ranked third in MLB in home runs, though their defense and base running were closer to league average.
Postseason Outlook & Legacy
The Mariners entered the postseason with home-field advantage in the AL Division Series, set to face a Wild Card team in a best-of-five showdown. Their performance in this series determined whether they could advance to the AL Championship Series—a stage they haven’t reached since 2001.
Despite the success, Seattle’s elusive quest for a first-ever World Series appearance remains. The franchise continues to hold the distinction of being the only MLB team never to play in the Fall Classic, a drought they hope to end soon.
Watch: MLB TV, National – FOX / FS1 – Listen: Seattle Sports
Heading to the Game?
Save time, money and energy by checking out the T-Mobile Park homepage and King County Metro Trip Planner know before you go.
Fans can purchase a ball park tour ticket and watch batting practice before the game starts. Gameday Tours are offered at 10:30 AM, 12:30 PM on days when First Pitch is scheduled after 4 PM.
T-Mobile Park has a clear bag policy, but unlike most parks fans are allowed to bring in outside food, blankets and factory sealed water bottles.
For those with sound sensitivities bring ear protection as the area outside the park can be quite loud with street performers or inside when Cal Raleigh hits a homer!
Baseball and peanuts go together like PB&J. If you have a nut allergy, plan ahead. Fans can also find assistance or answers to their question on the park’s accessibility page.
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