BOSTON (AP) Boston Red Sox manager John Farrell says he has a ''very treatable'' form of cancer.

Farrell said Friday that he would take a medical leave to deal with lymphoma.

The 53-year-old Farrell says bench coach Torey Lovullo will run the team in his absence.

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The Red Sox are in last place in the AL East with a 50-64 record.

Farrell guided Boston to the World Series championship in his first season in 2013.