Red Sox free agent target David Robertson signs with Phillies

David Robertson has agreed to a deal with the Philadelphia Phillies, taking a free agent target of the Boston Red Sox off the board.

The pool of available free agent relievers continues to dry up with another Boston Red Sox target signing elsewhere.

MLB.com’s Mark Feinsand reports that right-hander David Robertson has agreed to a two-year, $21 million deal with the Philadelphia Phillies that includes a $12 million club option for 2021 (or a $2 million buyout).

BREAKING: David Robertson has agreed to a two-year deal with the Phillies that guarantees him at least $23 million. He’ll earn $10M in 2019, $11M in 2020, with a $12M club option ($2M buyout) for 2021. He’s passed a physical and the deal…