Roman Anthony had the chance to watch his teammate reach a major milestone on Saturday. Boston Red Sox third baseman Marcelo Mayer, the No. 8 overall prospect according to MLB.com, blasted his first home run in the majors against the New York Yankees on Friday.

Marcelo Mayer reached a major milestone in his playing career at Yankee Stadium on Friday night. Read more on Boston.com.

NEW YORK — Red Sox rookie Marcelo Mayer made a trade with a Yankees fan after Friday’s game. The 22-year-old rookie blasted his first big league home run 410 feet in the right-center field stands here at Yankee Stadium. The young fan, who caught it, gave Mayer the ball in exchange for an autographed bat and another ball.