Blue replaced brown on Padres uniforms in 1991, by FriarWire

Padres uniform history: The 1970s - ESPN - SweetSpot- ESPN

Padres to bring back brown uniforms in 2020 - Blowout Cards Forums

The Padres change uniforms, again, so let's look at their visual history

Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune

History of the San Diego Padres - Wikipedia

Blue replaced brown on Padres uniforms in 1991, by FriarWire

The Padres change uniforms, again, so let's look at their visual history

Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune

TIMELINE: How Padres uniforms have changed