Rookie J.T. Realmuto drove in six runs, including five in a franchise record-tying 10-run sixth inning, which helped the Miami Marlins complete a two-game sweep in a series between last-place teams by beating the Boston Red Sox 14-6 Wednesday.

Realmuto hit an RBI single in the sixth to put the Marlins ahead 5-4, and then hit his first career grand slam later in the inning to make the score 14-4.

He's the first Marlins player to drive in five runs in an inning. It was the second time the Marlins reached double figures in runs in an inning — they scored 10 times at Arizona in 2009.

David Ortiz drove in three with two homers for Boston.

Realmuto also drove in a run with his sixth triple, the most by a rookie catcher since Carlton Fisk of the Red Sox in 1972, according to STATS. Needing a double in the eighth to hit for the cycle, he struck out.

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