Meckler (concussion) will begin a rehab assignment with Single-A Rancho Cucamonga on Wednesday, Erica Weston of Angels Broadcast Television reports.
Meckler landed on the 7-day concussion injured list Friday after being struck by a pitch in the head Thursday, but he's since passed protocols and been cleared for game action. Barring a setback, he should return to the Angels' active roster when first eligible Friday.