Phillips will be called up by the Red Sox on Tuesday, Michael Silverman of the Boston Herald reports.
The veteran didn't find a team until late June and has spent the season in the minors, hitting a strong .302/.348/.477 in 38 games for Triple-A Pawtucket. At age 37, Phillips still has good contact ability and the speed to steal a few bases, but he'll largely be a veteran presence on the bench for Boston, limiting his fantasy value.