The Dodgers recalled Barnes from Triple-A Oklahoma City ahead of Wednesday's matchup against the Athletics.
In the series finale against the Athletics on Wednesday, Barnes is expected to be a part of a bullpen game for the Dodgers. The 30-year-old will make his first major-league appearance since May 16, when he pitched a scoreless frame and picked up a strikeout against the crosstown Angels. To make room for Barnes on the roster, the Dodgers optioned Wyatt Mills to Oklahoma City.