American Antonio Tarver is an Olympic medallist and former multi-championship-winning boxer who held the WBC and IBF light heavyweight titles, the IBO light heavyweight title, and the IBO cruiserweight title. After a spell as a respected analyst for the Showtime network, Tarver has recently announced his return from a six-year hiatus, competing in his first professional boxing match since 2015 against former UFC heavyweight champion Frank Mir. Ta...