Matt Breen on X: Next Saturday, the Phillies will wear these all-burgundy uniforms they wore for one night in 1979. Yes, they have zippers instead of buttons. Braves will also wear throwbacks.
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The Phillies all-burgundy jerseys had zippers
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The Phillies all-burgundy jerseys had zippers
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The long and storied history of MLB teams taking the field in blue uniforms - ESPN