Blue replaced brown on Padres uniforms in 1991, by FriarWire
TIMELINE: How Padres uniforms have changed
The Padres' Journey From Unique to Undistinguished (and Back Again?)
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
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Padres Unveil New Uniforms With Brown-and-Gold Color Scheme - Sports Illustrated
What's your favorite Padres Uniform? - Gaslamp Ball
The Padres' Journey From Unique to Undistinguished (and Back Again?)
Blue replaced brown on Padres uniforms in 1991, by FriarWire
Brown solidly returns to Padres uniforms Saturday… but has been in the blend for years, by FriarWire
Bring Back the Padres' Pinstripes
Padres uniform history: The 1970s - ESPN - SweetSpot- ESPN