Pedroia hits slam, Porcello gets 22nd win, Red Sox beat Rays

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Dustin Pedroia #15 of the Boston Red Sox is greeted at the dugout by Pablo Sandoval #48, left, and Mookie Betts #50, right, after hitting a grand slam during the seventh inning against the Tampa Bay Rays at Tropicana Field on September 24, 2016 in St. Petersburg, Florida. (Photo by Joseph Garnett Jr. /Getty Images)

ST. PETERSBURG, Fla. — Dustin Pedroia hit his fourth career grand slam to help Rick Porcello get his major league-leading 22nd win, and the AL East-leading Boston Red Sox beat the Tampa Bay Rays 6-4 Saturday night for their 10th consecutive win.

Boston maintained a 5½-game lead over Toronto for the division title and lowered its magic number for a playoff berth to one.

Pedroia stopped an 0-for-17 skid with a single in the sixth and gave Boston a 6-3 lead with a seventh-inning drive off Danny Farquhar.

Porcello (22-4) gave up three runs, eight hits and struck out nine over 6 1/3 innings.