Leone announced his retirement from professional baseball last week, Scott Eisberg of WCIV in Charleston reports.
The White Sox diagnosed Leone with a UCL sprain in his right elbow and placed him on the 60-day injured list Friday.
The White Sox reinstated Leone (elbow) from the 60-day injured list Monday.
Leone (elbow) is scheduled to make a rehab outing with Triple-A Charlotte on Wednesday, MLB.com reports.
Leone (elbow) is expected to pitch for Triple-A Charlotte within the next day or two, Daryl Van Schouwen of the Chicago Sun-Times reports.
The White Sox transferred Leone (elbow) to the 60-day injured list Tuesday.
The White Sox placed Leone on the 15-day injured list Friday with right elbow inflammation.
The White Sox activated Leone (back) from the 15-day injured list Monday.
Leone (back) will begin throwing live batting practice sessions soon, James Fegan of SoxMachine.com reports.
The White Sox placed Leone on the 15-day injured list Monday, retroactive to May 5, with lower-back tightness, Vinnie Duber of AllCHGO.com reports.