Seattle Mariners Baseballs

Add to your collection with an officially licensed Mariners baseball from MLB Shop. Our selection offers a wide variety of collectible Seattle Mariners baseballs, such as signed Mariners baseballs, game used baseballs and more. Commemorate your favorite players, active or retired, with an autographed baseball. Take a look at some of our Seattle Mariners baseball display cases to add an amazing piece to your home, office or fan cave. Whatever you're looking for, you'll have no problem finding the perfect commemorative Seattle Mariners baseball so you can look back at your favorite game or time in Mariners history with pride. Be sure to check out the rest of our authentic Seattle Mariners memorabilia to add to your collection or gift to a fellow fan.