Infante has secured a visa to travel to the United States but has yet to report to camp while being evaluated for the illness he developed during the offseason, Joe Trezza of MLB.com reports.
Infante has yet to report to spring training from his native Venezuela, Rich Dubroff of BaltimoreBaseball.com reports.
Infante agreed to a minor-league contract with the Orioles earlier this month, Matt Eddy of Baseball America reports.
The White Sox designated Infante for assignment and outrighted him to Triple-A Charlotte on Friday.
Infante was optioned to Triple-A Charlotte by the White Sox on Saturday.
Infante was called up to the majors Saturday, James Fegan of The Athletic Chicago reports.
Infante was sent to Triple-A Charlotte following Wednesday's game against the Rays.
Infante (shoulder) is scheduled to pitch Monday in the White Sox's Cactus League game against the Mariners, Daryl Van Schouwen of the Chicago Sun-Times reports.
Infante has been slowed by shoulder inflammation this spring, Chris Kuc of the Chicago Tribune reports.
Infante retired the only batter he faced to lead off the ninth inning of Wednesday's 5-4 loss to the Dodgers.