Berroa (elbow) is scheduled to begin throwing off a mound next week, Scott Merkin of MLB.com reports.
Berroa has been on the injured list all season while working his way back from Tommy John surgery and a setback he suffered while pitching in the Arizona Complex League. He was cleared to resume throwing in early July, and although his progress has been slow, the White Sox haven't ruled out a return for the 26-year-old before the end of the season.