NEW YORK — Rookie Marcelo Mayer is not in Boston’s lineup Saturday against a left-handed starting pitcher. The Red Sox and Yankees will play the second game of their three-game series at 7:35 p.m. here at Yankee Stadium. It will be aired nationally on FOX.

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.

The Boston Red Sox have called up two of their top prospects this season, but outfielder Roman Anthony remains stuck with Triple-A Worcester. As fans await the day when the 21-year-old is finally promoted to make his MLB debut, there’s now some insight on when the call-up may come.