Rivero (hand) was returned from his rehab assignment Monday after suffering a setback, Rhett Bollinger of MLB.com reports.
Bollinger notes that Rivero's hand wasn't responding as well as the team had hoped while out on his rehab assignment. He'll likely be shut down for at least the next few days before being re-evaluated. Rivero has been on the shelf since June 10 after suffering a left hamate fracture.