Sticking to the brand or the primary logo look, the Mariners alternate logo is not very different or creative from their main logo. Change of color and a slight variation of the primary logo is all the Mariners have in their alternate logo.
2015 - Present
Mariners primary logo recolored in blue, yellow, and cream.
1993 - Present
Arced wordmark “SEATTLE” above navigation star that is on top of a white baseball above the wordmark “MARINERS” in blue.