No, the Seattle Mariners have never won a World Series. In fact, they are the lone MLB team of 30 to never even reach a World Series, never having made that deep of a postseason run in their 50-plus years of existence.

After leading 2-0, the Seattle Mariners find themselves in Game 7 of the ALCS in Toronto with a shot in the World Series on the line.

The Seattle Mariners remain MLB's only active franchise without a World Series appearance after their 2025 ALCS Game 7 loss to the Blue Jays.

Raleigh's regular-season campaign was historic in its own right. The All-Star catcher led the Majors with 60 home runs, breaking MLB records for most home runs in a season by a primary catcher and a switch-hitter — and surpassing Mariners legend Ken Griffey Jr. for the franchise single-season mark.

Jorge Polanco delivered a walk-off RBI single in the bottom of the 15th inning as the Seattle Mariners beat the Detroit Tigers in Game 5 of the ALDS.

Edgar Martinez, the Hall of Famer, was a beast in the 1995 ALDS. He was 12 for 21 (.571) with three doubles, two homers and 10 RBI in the five-game series. This series-clinching walk-off double with fellow Hall of Famer Ken Griffey Jr. sliding into home is an enduring image:

In a season full of MVP moments for Cal Raleigh, the Mariners’ catcher might have authored his most epic yet. And just a few minutes later, Eugenio Suárez ensured that he’ll never buy a drink in this town again.

It is no exaggeration to say the most important swing of the bat by a Mariner in 30 years happened on Friday night.

Detroit's reigning Cy Young winner is due for his signature postseason moment. He’ll have a chance to create one in a city he’s very familiar with.

The difference between history and heartbreak can come down to a few feet of flight, and both were on display in the eighth inning of Friday’s Game 5 of the American League Championship Series. One ball is caught at the wall,