If you're in search of authentic Seattle Mariners memorabilia to add to your collection, look no further! Fanatics is fully stocked with with officially licensed Seattle Mariners trading cards any serious fan would love. Collect Mariners baseball cards of your favorite players and browse our Mariners card sets from throughout the years. Our shop even carries autographed Seattle Mariners cards that make amazing additions to your Mariners collection. Be the envy of fellow fans or gift an official Seattle Mariners trading card to make that super fan in your life beam with joy. Check back for new additions of Mariners baseball cards and also be sure to take a look at the rest of our licensed Seattle Mariners collectibles and memorabilia at Fanatics.com.