Raley allowed seven runs and 10 hits in four innings in a no-decision against Milwaukee on Thursday. His season is over, and Chris Rusin will be recalled on Tuesday to start at Washington.
Right-hander Miguel Socolovich, who was claimed off waivers from Baltimore on Aug. 23, will be added to the active roster on Sunday. Backup catcher Anthony Recker, who was acquired in a trade with Oakland, is expected to join the team on Tuesday.
Chicago hosted San Francisco on Friday in the opener of a weekend series.