Hernandez was sent to the team's minor-league camp Monday, Scott Merkin of MLB.com reports.
Hernandez (visa issues) arrived at spring training and appeared in the White Sox's 7-2 loss to the Brewers in Sunday's Cactus League opener.
White Sox general manager Rick Hahn said Wednesday that Hernandez's arrival at spring camp would be delayed while he deals with visa issues, James Fegan of The Athletic reports.
Hernandez joined the White Sox on a minor-league contract Thursday.
Hernandez was added to the Red Sox's 60-man player pool.
Hernandez cleared waivers and was outrighted to Triple-A Pawtucket on Thursday, Jen McCaffrey of The Athletic reports.
Hernandez was designated for assignment on Friday, Chris Cotillo of The Springfield Republican reports.
Hernandez signed a contract with the Red Sox on Tuesday, Robert Murray of The Athletic reports.
Hernandez was non-tendered by the Red Sox on Monday, Chris Cotillo of The Springfield Republican reports.
Hernandez made his sixth start in the last seven games and went 1-for-4 in Wednesday's 11-3 loss to the Giants.