The Phillies all-burgundy jerseys had zippers

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Phillies to bring back all-burgundy uniforms for 1970s retro night

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

Vince Velasquez threw a runner out from left field

The Return of the Burgundy Bombers - sportstalkphilly - News

Phillies Infamous All-Burgundy Uniforms Return Today