Here is the Washington Capitals Winter Classic jersey
2023 Winter Classic: Guide to the Bruins-Penguins game at Fenway Park
Bruins players wear vintage Red Sox uniforms before Winter Classic
Bruins rally past Pens to win Winter Classic at Fenway Park
Bruins – Penguins: Boston dresses as Red Sox before Winter Classic
Bruins players sport vintage Red Sox uniforms as Fenway Park transforms for annual Winter Classic – Boston 25 News
A Uni Watch Look at the 2023 NHL Winter Classic
Bruins, Penguins rock vintage baseball uniforms at Winter Classic
Bruins dress like old-time Red Sox for Winter Classic walk-in: Awesome or the cheesiest thing ever?, This is the Loop
Bruins and Canadiens weave history into Winter Classic jerseys - The Boston Globe