The Seattle Mariners have never played in the World Series.
No. They went to the World Series in 2008 and lost to Philadelphia Phillies. That was their only World Series appearance.
No they have not.
As of 2010, never.
The Mariners have never won the world series.
Washington NationalsSeattle MarinersTexas Rangers
No. The Mariners have never won the AL and advanced to the World Series.
We are yet to win a World Series.
Seattle Mariners, Washington Nationals
They have never won a World Series title.
Washington Nationals Seattle Mariners
The Seattle Mariners, Texas Rangers and Washington Nationals have never been to the World Series.