Mariner Moose (@MarinerMoose) / X

Mariner Moose on X: Who else is celebrating National Jersey Day? Look for the one wearing NW Green tonight. With antlers. #JerseyDaySEA / X

Mariner Moose (@MarinerMoose) / X

Mariner Moose on X: Subtle flex: I know Julio Rodríguez. / X

Mariner Moose Seattle Mariners

Mariner Moose on X: Sounding the siren with @HarryTheHusky to get the @UW_Football season started! Let's #GoHuskies! / X

Mariner Moose (@MarinerMoose) / X

Making a run for the 2026 Winter Olympics #SeaUsRise #Mariners #Marine

Seattle Mariners on X: Our Community Tour is heading east! 🔹 Say hi to @ MarinerMoose at 10 a.m. MT Friday at Caras Park in Missoula 🔹 Watch Friday's game at Capone's Pub

Moose (@marinermoose) • Instagram photos and videos

Mariner Moose (@MarinerMoose) / X

Moose (@marinermoose) • Instagram photos and videos

Mariner Moose (@MarinerMoose) / X

Mariner Moose on X: vote loud for my besties! i want to see all of my friends at the all-star game 🤗 ⭐ ⭐ / X

Mariner Moose on X: Need everyone to be on their best behavior at the ballpark on Mother's Day. I'm bringing Momma Moose! #MarinersMom / X