In the 2025 MLB postseason , the Seattle Mariners are actively pursuing their first World Series appearance . Which other franchises across major sports leagues have yet to compete at the championship level?

Check out a breakdown for MLB (World Series), NFL (Super Bowl), NBA (Finals), and NHL (Stanley Cup) below:

Longest in each league (with inaugural season):

MLB: Mariners (1977)

NBA: Clippers (1970)

NFL: Jaguars (1995)

NHL: Jets (1999-00)

*On the NFL side, the Cleveland Browns and Detroit Lions are left off this list since both franchises won titles in the pre-Super Bowl era.

**On the NHL side, the Arizona Coyotes(1979-80) technically have the longest Stanley Cup appearance drought, but don't currently have a team in the NHL.

Active teams to never compete in league

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