BOSTON — Aroldis Chapman walked Andrew Benintendi with the bases loaded to force home the winning run as the Boston Red Sox rallied for a 5-4 victory over the Yankees on Friday night.
It was a crushing blow for the Yankees, who announced earlier in the day that pitcher Michael Pineda would be lost for the season with a torn elbow ligament.
The defeat, at the start of a four-game series, is also certain to conjure up ghosts of last September when Hanley Ramirez belted a three-run, game-ending home run off Dellin Betances in the opener of a four-game series the Red Sox would go on to sweep, all but killing the Yankees’ playoff hopes.
It was the 18th blown save for the Yankees — the most in baseball — from a unit that was supposed to be one of the best in the sport. But on Friday night, Chapman had plenty of help in wasting what had been a stellar night for the rest of the bullpen, which…