Boston also recalled outfielder/infielder Nate Eaton from Triple-A Worcester, placed outfielder Rob Refsnyder (left oblique strain) on the 10-day IL and designated catcher Ali Sánchez for assignment. Sánchez spent six games on the active roster as a third catcher, recording just one plate appearance.

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,