Moustakas keeps raking, Royals keep winning, making it 9-straight with 4-2 victory at Boston

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BOSTON, MA - JULY 28: Mike Moustakas #8 of the Kansasa City Royals reacts after hitting a three run home run during the fourth inning of a game against the Boston Red Sox on July 28, 2017 at Fenway Park in Boston, Massachusetts. (Photo by Billie Weiss/Boston Red Sox/Getty Images) *** Local Caption *** Mike Moustakas

BOSTON (AP) — Salvador Perez and Mike Moustakas homered off emergency starter Rick Porcello, who took over when David Price went back on the disabled list because of inflammation in his left elbow, and the Kansas City Royals beat the Red Sox 4-2 Friday night for their season-high ninth straight win.

Boston has lost five of six and nine of 14, dropping out of the AL East lead for the first time since June 29 and falling a half-game behind the New York Yankees.

Price started the season on the DL and didn’t make his first start until May 29. The 31-year-old left-hander, winner of the 2012 AL Cy Young Award, is 5-3 with a 3.82 ERA.

Porcello (4-14), who had been scheduled to pitch Saturday, leads the major leagues in losses. He allowed four runs and six hits in seven innings.

Jason Vargas (13-4) gave up one run and five hits in six innings. Vargas, who had been winless in three starts since June 30, is one shy of his career high for wins, set in 2012 with Seattle.

Kelvin Herrera pitched a one-hit ninth for his 22nd save in 25 chances, getting rookie Rafael Devers to hit into a game-ending forceout after Andrew Benintendi’s two-out single.