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
The Padres change uniforms, again, so let's look at their visual history
Brown solidly returns to Padres uniforms Saturday… but has been in the blend for years, by FriarWire
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Padres uniforms: San Diego returns to brown jerseys in 2020 - Sports Illustrated
Padres to bring back brown uniforms in 2020 - Blowout Cards Forums
national baseball hall of fame
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Brown has been part of the Padres' history since expansion, by FriarWire
Padres uniform history: The 1990s - ESPN - SweetSpot- ESPN
TFHS Special: Redesigning the Padres - Gaslamp Ball
The Padres' Journey From Unique to Undistinguished (and Back Again?)