Hardy signed a contract Thursday with the Sioux City Explorers of the independent American Association of Professional Baseball, Talk Radio 1360 Sioux City reports.
Hardy was optioned to Triple-A Nashville on Monday.
Hardy had his contract selected by the Brewers on Sunday, Adam McCalvy of MLB.com reports.
Hardy (elbow) appeared in his first game since February of 2020 on Saturday.
Hardy (elbow) signed a minor-league deal with the Brewers which includes an invitation to big-league camp Thursday.
Hardy underwent Tommy John surgery last week, Phil Miller of the Star Tribune reports.
Hardy (elbow) threw a scoreless inning with a strikeout in Friday's exhibition game against the University of Minnesota Golden Gophers.
Hardy (elbow) signed a minor-league contract with the Twins on Monday, Jason Beck of MLB.com reports.
Hardy (elbow) was placed on outright waivers Tuesday, Jason Beck of MLB.com reports.
Hardy announced Tuesday via his personal Twitter account that he underwent a successful procedure on his left elbow.