Blue replaced brown on Padres uniforms in 1991, by FriarWire
Brown Uniforms Create Identity Padres
The Padres change uniforms, again, so let's look at their visual history
The Padres' Journey From Unique to Undistinguished (and Back Again?)
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Padres uniform history: The 1970s - ESPN - SweetSpot- ESPN
The Padres' Journey From Unique to Undistinguished (and Back Again?)
The Padres change uniforms, again, so let's look at their visual history
Order Restored to Uni-Verse as Padres Bring Back the Brown
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
TFHS Special: Redesigning the Padres - Gaslamp Ball