Blue replaced brown on Padres uniforms in 1991, by FriarWire
History of the San Diego Padres - Wikipedia
Bring Back the Padres' Pinstripes
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
The Padres' Journey From Unique to Undistinguished (and Back Again?)
Padres Unveil New Uniforms With Brown-and-Gold Color Scheme - Sports Illustrated
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Padres uniforms: San Diego returns to brown jerseys in 2020 - Sports Illustrated
Order Restored to Uni-Verse as Padres Bring Back the Brown
The Padres' Journey From Unique to Undistinguished (and Back Again?)
Trader Jack” Was Architect of 1984 Padres, by FriarWire
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune