Overview

The Seattle Mariners have played a total of 43 seasons. Their first season was in 1977, and their most recent season was in 2020.

Have the Seattle Mariners gone by any other names?

No, the Seattle Mariners have been known by that name since 1977.

When was the last time the Mariners were in the playoffs?

The Seattle Mariners last made the playoffs in 2001, when they lost the AL Championship Series. They've been in the playoffs a total of 4 times in their 43 seasons.

When was the last time the Mariners missed the playoffs?

The Seattle Mariners last missed the playoffs in 2020.

When was the last time the Mariners won a playoff series?

In 2001, the Seattle Mariners beat the Cleveland Indians in the AL Divisional Series.

When was the last time the Mariners lost a playoff series?

In 2001, the Seattle Mariners lost to the New York Yankees in the AL Championship Series.

How many World Series have the Mariners won?

The Seattle Mariners have never won a World Series. The closest they came to winning a championship was in 1995, 2000 and 2001 when they lost the AL Championship Series.