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St. Petersburg, FL (Sports Network) - Carlos Pena homered and knocked in three runs, as the Tampa Bay Rays used a seven-run sixth inning to beat the Boston Red Sox, 13-3, in the third test of a four-game series.

Jeff Keppinger added a solo homer and two RBI for the Rays, who are 6 1/2 games behind the Yankees for first place in the AL East. Matt Joyce and Desmond Jennings had two RBI apiece.

Tampa Bay starter Chris Archer (1-3) allowed three runs on five hits over five innings to pick up his first win in the big leagues. He had six strikeouts and four walks.

Jacoby Ellsbury went 3-for-3 with two RBI for the Red Sox, who had won the first two games of this series.

Daisuke Matsuzaka (1-6) gave up five runs on nine hits over three-plus innings to take the loss.