Ryan McMahon hits go-ahead single as Yankees beat Mariners

NEW YORK — A couple of days removed from the nailbiting loss in the series finale against the Braves, manager Aaron Boone spoke frankly on Tuesday about the quiet stretch that the Yankees’ offense has found itself in recently — one that is becoming increasingly difficult to ignore.

Entering the opener vs. the Mariners, the club’s post-All-Star break stretch has been a slog with the bats:…