503 Sports San Francisco Sea Lions T-Shirt - Athletic Heather - Cotton - XXXXL (4XL) - Royal Retros

Product Info, 100% Cotton (52% Cotton 48% Polyester for heather colors), Extra Soft, Lightweight, Classic Fit, Ships in 3-5 business days, Team

Homestead Grays T-Shirt

The uniforms actually belonged to the San Francisco Cubs, a little known team that rarely played in San Francisco and traveled the country year round.

503 Sports San Francisco Sea Lions T-Shirt - Athletic Heather - Cotton - XXXXL (4XL) - Royal Retros

Product Info 100% Cotton (52% Cotton 48% Polyester for heather colors) Extra Soft Lightweight Classic Fit Ships in 3-5 business days Team: San Antonio

San Antonio Texans T-Shirt

49ers tee shirt - Gem

The team was approved by the league and a stadium was to be built in Dartmouth, Nova Scotia. Ultimately, funding problems caused the team to miss deadlines, including getting the stadium built and the team never played a game.

503 Sports Atlantic Schooners T-Shirt - Athletic Heather - Cotton - Extra Large (XL) - Royal Retros

The uniforms actually belonged to the San Francisco Cubs, a little known team that rarely played in San Francisco and traveled the country year round.

503 Sports San Francisco Sea Lions Vintage Icons Jersey - Cream - 2XL - Royal Retros

Portland Beavers T-Shirt - Black - Cotton - Medium (M) - Royal Retros

From holding open tryouts, to lighting brooms on fire, the Mavericks were known for outrageous antics.

503 Sports Portland Mavericks T-Shirt - White - Cotton - Medium (M) - Royal Retros

San Francisco Seals Hockey Men/Unisex T-Shirt - Allegiant Goods Co.

MD) Originally named the Baltimore Colts after the team that had moved 10 years prior - legal issues caused a name change to the Stallions.

Baltimore Stallions T-Shirt - Navy - Cotton - XXL (2XL) - Royal Retros

503 Sports Oakland Oaks Basketball T-Shirt - Evergreen - Cotton - Extra Large (XL) - Royal Retros