The Hiroshima Carp of Japan's Nippon Professional Baseball have re-signed Hearn to a one-year contract, Yahoo Japan reports.
Hearn signed with the NPB's Hiroshima Carp on Saturday.
Hearn cleared outright waivers Thursday and elected to become a free agent.
Hearn was optioned to Triple-A Omaha on Tuesday.
Kansas City recalled Hearn from Triple-A Omaha on Tuesday.
Hearn was traded from Atlanta to Kansas City on Sunday in exchange for Nicky Lopez.
Atlanta optioned Hearn to Triple-A Gwinnett on Sunday.
Atlanta acquired Hearn from the Rangers on Monday in exchange for cash considerations, David O'Brien of The Athletic reports.
Texas designated Hearn for assignment Wednesday.
Hearn was optioned to Triple-A Round Rock by the Rangers on Thursday.