Warren held Boston scoreless through four innings, then surrendered a home run to 22-year-old Marcelo Mayer to lead off the fifth. It was the first career homer for Mayer, one of baseball’s premier prospects, in his 10th MLB game.

Anthony Volpe homered in a five-run first inning, then came out after he was hit by a pitch on the left elbow as the New York Yankees beat the Boston Red Sox 9-6 in the AL rivals’ first meeting this year.

Shortstop Anthony Volpe went for X-rays and a CT scan on his left elbow after he was hit by a pitch and left Friday night’s game vs. the Boston Red Sox at Yankee Stadium. Volpe had a bruise on his elbow,