Winter Classic 2023: Bruins, Penguins wear throwback MLB uniforms to honor historic Red Sox, Pirates teams

DeBrusk's (Winter) Classic performance gives Bruins dramatic win at Fenway, Sports

Bruins, Penguins rock vintage baseball uniforms at Winter Classic

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Bruins players wear vintage Red Sox uniforms before Winter Classic

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Bruins, Penguins arrive at Winter Classic in vintage Red Sox, Pirates uniforms

The Bruins' Winter Classic uniforms - The Athletic

NHL.com Media Site - News - #NHLStats Pack: 2023 Discover NHL Winter Classic

Penguins and Bruins pay tribute to 1920s baseball with their first costumes of the 2023 Winter Classic : r/hockey

Penguins reveal throwback jerseys for 2023 Winter Classic

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