Moustakas (heel) is still dealing with pain from his injured heel, Charlie Goldsmith of The Cincinnati Enquirer reports.
The Reds are hopeful that Moustakas can begin a rehab assignment around the All-Star break. "I think they're just really difficult injuries to get over," manager David Bell said. "I know they're painful, too. (Moustakas) doesn't talk about it, but other people do. I know it's a tough injury to have."