Seattle Mariners on X: @SoundersFC Soccer players don't always wear hats, but when they do, they prefer Mariners. Happy #NationalHatDay! / X

Seattle Mariners on X: @SoundersFC Soccer players don't always wear hats, but when they do, they prefer Mariners. Happy #NationalHatDay! / X

Reflective MLS Cup Strip Center Rear of Crown. Embroidered Event & Cup Front and Side. HAT TRICK FAN GEAR. Semi Structured Fit, Mid Crown, Normal

Seattle Sounders FC New Era 2019 MLS Cup Soccer Champions Adjustable Hat

Seattle Sounders FC New Era 2019 MLS Cup Soccer Champions Adjustable Hat

MLB fans voice their disappointment after Guardians beat Mariners in game lasting only 2 hours: This actually sucks

Clint Dempsey (@clint_dempsey) • Instagram photos and videos

BEN (@macklemore) • Instagram photos and videos

New Era 59Fifty Hat Seattle Mariners Black on Black Fitted Cap 11591102 (7 3/8) : Sports & Outdoors

Men's Seattle Mariners New Era Olive 20th Anniversary Scarlet Undervisor 59FIFTY Fitted Hat

Lids (@lids) • Instagram photos and videos

Lids (@lids) • Instagram photos and videos

Why aren't Seattle Mariners landing big bats? Ballpark may be the answer - Seattle Sports