Major League Baseball

Betts' 3 HRs carries Porcello, Red Sox to another Fenway win

Published Aug. 14, 2016 5:47 p.m. ET

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BOSTON (AP) Mookie Betts hit three home runs and drove in a career-best eight runs and Dustin Pedroia collected five hits to power the Boston Red Sox to a 16-2 rout of the Arizona Diamondbacks on Sunday.

Rick Porcello became the first Red Sox pitcher in 70 years to open a season 12-0 at Fenway Park, improving his overall record to 16-3 as Boston completed a three-game sweep of Arizona.

For Betts, it was the right-fielder's second three homer game of the season. He hit three against Baltimore on May 31.

Jackie Bradley Jr. chipped in with a two-run homer for the Red Sox, who closed a six-game homestand at 4-2.

What was billed as a marquee pitching matchup turned into a rout early when Zack Greinke (11-4) was tagged for three homers and nine runs in 1 2/3 innings.

Porcello allowed one run on three hits over seven innings and became the first Boston pitcher since Dave ''Boo'' Ferriss to begin a year by winning his first 12 decisions in Fenway.