The Phillies all-burgundy jerseys had zippers

FEATURES 100% nylon Pullover 1/4 zip anorak with lined hood Color-blocked with accent color insets on body and sleeves Kangaroo pocket with additional side pockets Elasticized cuff opening Adjustable drawcord at hood and bottom opening Embroidered team logo on center front placket Embroidered logo on front pocket flap Mitchell & Ness script embroidery on right sleeve Tailored Fit: This style fits a bit trimmer in the body and sleeve.

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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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Uni Watch's Flashback -- The rise and fall of MLB zippers - ESPN

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