Celebrating 50 Seasons of Big League Ball In The Emerald City
- Andrei Ojeda
- 2 hours ago
- 4 min read
The 2026 season will mark the 50th season of the Seattle Mariners. Established in 1977, the Mariners have appeared in the post-season six times while capturing four AL West Division Titles including their record setting 116 win season in 2001. While the Mariners remain the only team in the Majors to reach The Fall Classic, they have reached league championship play four times and were eight outs away from a date with the Dodgers only to see the Toronto Blue Jays mount a furious rally postponing the Mariners first Fall Classic appearance for yet another day.
Prior to the Mariners inaugural season in 1977, the expansion Seattle Pilots would give fans around the Pacific Northwest their first taste of big league ball. During their lone season of existence in 1969, the Pilots would play their home games at Sicks Stadium before departing for Milwaukee in 1970 to become the Milwaukee Brewers.
In 1977, the Seattle Mariners and Toronto Blue Jays would join the bigs as the two expansion teams of the American League. From 1977-1999 the Mariners would play their home games inside The Kingdome.
The early days of the Mariners existence were anything but glorious as it would take 15 seasons to finally achieve their first winning season in 1991. It was around that time when a foundation was being built around stars such as Jay Buhner, Randy Johnson and Ken Griffey Jr. Though it looked as if brighter days were in the future, the Mariners threatened to bolt Seattle. If not for a miraculous run in that magical Summer of 1995, big league baseball may have left the Pacific Northwest a second time.
The Mariners would find themselves 13 games behind the AL West leading California Angels as late as August before staging a furious rally, finishing tied with the Halos for the AL West thus forcing a one game division tie breaking game to determine the division champ. In the bottom of the 7th, baseball fans in Seattle were feeling some of that Sodo Mojo.
That Sodo Mojo would be tested in the American League Division Series against the Yankees as the Mariners would find themselves on the brink of elimination after dropping the first two games of the best of five in New York. With the remaining games in Seattle, the Mariners would tie the series at two setting up perhaps the franchise’s most exciting moment in team history as Edgar Martinez would line a double into the left field corner in the home 11th, scoring Joey Cora and Ken Griffey Jr. and sending the M’s to their first ever American League Championship Series.
The Sodo Mojo magic would come to an end as the Cleveland Indians would take the ALCS in six games. But the impact of that Refuse to Lose summer of ‘95 can never be forgotten. It was that summer of ‘95 that brought rejuvenated enthusiasm to baseball fans throughout the Pacific Northwest and perhaps saved the Mariners from leaving. During the middle of July in 1999 the Mariners would move across the street into their new retractable roofed home.
Safeco Field, now known as T-Mobile Park, is often referred to as The House That Griffey Built. A statue of Junior greets fans outside the yard’s grand entrance.
After 20 consecutive seasons without a post season berth, the Mariners have now reached the post season twice in the last four seasons. After a thrilling division series against the Tigers and coming so close last year to the Fall Classic, the Mariners are among the heavy favorites to represent the American League deep into October.
The Mariners will wear a “50 Seasons” patch on their jerseys during the 2026 season, which will replace the primary logo on the sleeves.
The Mariners 50 Seasons logo incorporates elements representing the franchise and its history, including a ring of 116 lines that pays homage to the 2001 team’s AL-record 116 wins, geographical features honoring the Pacific Northwest, the original typeface from the team’s inaugural 1977 season, and more.
50 SEASONS CELEBRATION WEEKEND – AUGUST 7-9
The Mariners will hold a weekend full of events in celebration of their 50th season over a 3-game series against the Tampa Bay Rays from August 7-9. The weekend will culminate with 50 Seasons Celebration Night on August 8 where the Top 50 Greatest Mariners Players as voted by the fans will be honored in a special pregame ceremony. We can speculate that some of these greats will include Ken Griffey Jr., Randy Johnson, Edgar Martinez, Ichiro Suzuki, and Jay Buhner.
“Celebrating 50 seasons of Mariners baseball is a tribute to the generations of fans, the community, and the Mariners players who have defined this franchise,” Mariners President of Business Operations Kevin Martinez said. “Their passion, dedication, and belief have carried this franchise for the past half-century, and their passion fuels our excitement for not only our 50 Seasons celebration, but also the next 50 years of Mariners baseball.”
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