Why are the Phillies wearing blue uniforms in the World Series?

Phillies on the brink of elimination in the World Series, after 3-2 loss to Houston

Photos: Braves wear throwback uniforms, punish Phillies

Royals] Royals full powder blue uniforms back for 2023, will wear opening day. : r/baseball

The Phillies Are Going to Have to Get Rid of One Uniform Due To Nike Rule - Crossing Broad

Royals set to bring back full powder blue uniforms

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Men's Philadelphia Phillies Cooperstown 2022 World Series Patch Jersey

Powder blue uniforms return for the Minnesota Twins - Twinkie Town

975TheFanatic on X: The Phillies will be wearing their powder blue uniforms in game four of the NLDS tomorrow night. Are these the best uniforms in the city? 📸 Tim Nwachukwu/Getty Images

Philadelphia Phillies - Bringing the powder blues to the World Series