Winter Classic 2023: Bruins, Penguins wear throwback MLB uniforms to honor historic Red Sox, Pirates teams
Penguins and Bruins pay tribute to 1920s baseball with their first
Penguins reveal throwback jerseys for 2023 Winter Classic
Bruins unveil 2023 Winter Classic jerseys to be worn at Fenway Park
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NHL's Winter Classic: Bruins and Penguins players don Red Sox
Bruins unveil 2023 Winter Classic jerseys to be worn at Fenway Park
