Marcelo Mayer received a fitting introduction to one of baseball’s most heated rivalries.

The Boston Red Sox dropped Game 1 of the series, 9-6, to the New York Yankees on Friday night, but Mayer offered a silver lining by hitting his first career home run. During the fifth inning, the rookie infielder took Will Warren deep for a solo shot that ignited a comeback effort in the Bronx.

Naturally, Yankees fans didn’t appreciate the career milestone. Despite still wielding a 7-1 lead, they welcomed Mayer to the long-running feud by booing as he touched them all.

The reaction at Yankee Stadium didn’t particularly bother Mayer, who hardly even noticed the cold reception.

“It’s like music to your ears,” Mayer said, via MassLive’s Christopher Smith. “Honestly, I didn’t really hear it just b

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