Not long after signing him, the Red Sox have designated infielder Ryan Roberts for assignment, tweets Alex Speier of WEEI.com. Brock Holt was brought up to take the active roster spot.

Signed 11 days ago, Roberts struggled in his limited time in Boston, hitting safely only twice in 22 plate appearances and drawing three walks against seven strikeouts. Roberts' a one-year, MLB deal was not guaranteed, tweets Brian MacPherson of the Providence Journal, so the club will only be on the hook for the approximately $61K he has already earned. As the 33-year-old looks for a new job, he will hang his hat on his defensive versatility and solid lifetime stats against lefties (.261/.337/.435).