Blue replaced brown on Padres uniforms in 1991, by FriarWire
MLB San Diego Padres 1993 uniform original art – Heritage Sports Art
The Padres change uniforms, again, so let's look at their visual history
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Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
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Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Inside the San Diego Padres' Uniform Redesign - Hemispheres
Blue replaced brown on Padres uniforms in 1991, by FriarWire
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune