The Boston Red Sox are adding veteran first baseman Nathaniel Lowe after the Washington Nationals designated him for assignment, according to ESPN's Jeff Passan.

The Boston Red Sox officially signed free agent first baseman Nathaniel Lowe on Monday and recalled third baseman Nate Eaton from Triple-A Worcester. To make room on the roster, the Red Sox designated catcher Ali Sanchez for assignment,

Veteran first baseman Nathaniel Lowe, 30, designated for assignment by the Washington Nationals earlier this month, and the Boston Red Sox are finalizing a deal, sources told ESPN, paving the way for him to join one of the strongest lineups in baseball.