Garcia (elbow) will begin a rehab assignment with Triple-A Worcester on Tuesday, Christopher Smith of MassLive.com reports.
Garcia is three weeks removed from landing on the 15-day injured list with right elbow inflammation, but he's ready for game action after completing a throwing progression. The veteran reliever should rejoin Boston's bullpen in short order if he checks out well following his appearance Tuesday for Worcester. He's been torched for 13 earned runs in 11.1 innings since being acquired by the Red Sox at the trade deadline.