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.

I’ve said it before, that if the Yankees were the last team to give me a contract, I’d retire.” Red Sox rookie Hunter Dobbins is fired up for his first career start against the Yankees

Aaron Boone knew Carlos Narváez was a major leaguer. He did not know that when the Yankees traded the young catcher to the Red Sox in December, Narváez would return as Boston’s cleanup hitter and a potential AL All-Star in his rookie season.