First baseman Nathaniel Lowe signed with the Boston Red Sox on Monday, the club announced. The deal, which is for a prorated portion of the major league minimum after Lowe was designated for assignment by Washington earlier this month and went unclaimed on waivers,

Nate Eaton, who the Red Sox recalled from Triple-A Worcester earlier Monday, is batting leadoff against the Orioles.

The Red Sox have struggled to find a consistent option at first base this season, and Lowe could operate as the strong side option of a platoon with Romy Gonzalez at the position, handing the startin...