Mendick cleared waivers Friday and was outrighted to Triple-A Charlotte, Scott Merkin of MLB.com reports.
Mendick was designated for assignment Wednesday to clear the way for Nick Senzel to join the active roster. After going unclaimed, Mendick will join the White Sox's Triple-A affiliate. He has logged 141 plate appearances with the White Sox this season and posted a .561 OPS with three homers and six stolen bases.