ST. PETERSBURG, Fla.—David Ortiz, Mike Lowell, Jason Bay, Jason Varitek, Kevin Youkilis and, finally, Jacoby Ellsbury.

Home run by home run, the surging Boston Red Sox pulled closer to first place in the AL East during a 13-5 victory over the division-leading Tampa Bay Rays and All-Star Scott Kazmir on Monday night.

The defending World Series champions won for the first time in seven games at Tropicana Field this season, climbing within percentage points (.002) of the Rays for the first time in two months.

Ortiz, who finished with four RBIs, hit a three-run ...

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