MLB Preview: Yankees, Red Sox and other MLB uniform tweaks - Sports Illustrated
Pittsburgh Pirates - Wikipedia
Leak appears to show Pirates' new City Connect alternate uniforms
Leak appears to show Pirates' new City Connect alternate uniforms
Icemen Unveil New Third Jersey for the 2019-2020 Season
Leak appears to show Pirates' new City Connect alternate uniforms
Leak appears to show Pirates' new City Connect alternate uniforms
Pirates bring back script on new uniforms - Uniform Authority
Pirates to Unveil New Road, Alternate Unis Today