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38 Items
Infant Seattle Mariners Robinson Cano Majestic Alternate Teal Official Cool Base Player Jersey
$29.99with code
Regular: $39.99
You Save: $10.00

Infant Seattle Mariners Robinson Cano Majestic Alternate Teal Official Cool Base Player Jersey

FREE Jersey Assurance
Navy Seattle Mariners Personalized Rocking Chair
$62.99with code
Regular: $89.99
You Save: $27.00

Navy Seattle Mariners Personalized Rocking Chair

Seattle Mariners White Personalized Plush Baby Baseball
$33.59with code
Regular: $47.99
You Save: $14.40

Seattle Mariners White Personalized Plush Baby Baseball

Infant Seattle Mariners White Personalized Hooded Towel & Mitt Set
$31.49with code
Regular: $44.99
You Save: $13.50

Infant Seattle Mariners White Personalized Hooded Towel & Mitt Set

Infant Seattle Mariners Navy Personalized Blanket
$27.99with code
Regular: $39.99
You Save: $12.00

Infant Seattle Mariners Navy Personalized Blanket

Seattle Mariners WinCraft 2-Pack Bib Set
Sale: $17.24
Regular: $21.99
You Save: $4.75

Seattle Mariners WinCraft 2-Pack Bib Set

Infant Seattle Mariners White 2-Pack Baby Bibs
Almost Gone!
Sale: $10.99
Regular: $14.99
You Save: $4.00

Infant Seattle Mariners White 2-Pack Baby Bibs

Newborn & Infant Seattle Mariners White Personalized Large Gift Basket
$127.39with code
Regular: $181.99
You Save: $54.60

Newborn & Infant Seattle Mariners White Personalized Large Gift Basket

Seattle Mariners White Personalized Baby Blanket
$27.99with code
Regular: $39.99
You Save: $12.00

Seattle Mariners White Personalized Baby Blanket

Seattle Mariners White Personalized Small Gift Basket
$48.99with code
Regular: $69.99
You Save: $21.00

Seattle Mariners White Personalized Small Gift Basket

Newborn & Infant Seattle Mariners Baby Lotion and Soap Gift Set
Almost Gone!
Sale: $9.99
Regular: $19.99
You Save: $10.00

Newborn & Infant Seattle Mariners Baby Lotion and Soap Gift Set

Seattle Mariners Chewbead Necklace
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Sale: $19.99
Regular: $34.99
You Save: $15.00

Seattle Mariners Chewbead Necklace

Infant Seattle Mariners Majestic Navy Little Player Bodysuit, Bootie & Bib Set
Almost Gone!

Seattle Mariners Baby Apparel

Your source for Seattle Mariners gear for babies is the MLB Shop. If you're shopping for your newborn -- congratulations! -- why not start them off on the right foot with Seattle Mariners apparel. We have baby creepers, hats, blankets, toys, all honoring your Seattle Mariners . Whether it's your child or you're looking for a great gift for a newborn in the family, welcome the newest member to your fan club with great Seattle Mariners baby gear from MLB Shop.