Kimbrel (elbow) threw 16 pitches during Tuesday's simulated game at Wrigley Field, Jordan Bastian of MLB.com reports.
Kimbrel fired mostly fastballs, but he did mix in a few offspeed pitches, per Bastian. Following Tuesday's throwing session, skipper Joe Maddon stated that his veteran closer could be ready to return by the weekend, per Jesse Rogers of ESPN.com.