Two of boxing 's greatest heavyweights descended on New York on Thursday night for a screening of new documentary Champs . Featuring former world champions Mike Tyson , Evander Holyfield and Bernard Hopkins , the film examines the lives of the three men in and outside of the ring . And the two giants of the sport made a special appearance at Village East Cinema . Evander Holyfield and Mike Tyson attend the Champs New York Screening with director Bert Marcus . Tyson and Holyfield pose for photographs almost 20 years after their infamous rematch . Directed by Bert Marcus , Champs focuses on the aforementioned trio 's rise from poverty to the top of the sport . Tyson and Holyfield , of course , twice met in the ring and have rebuilt their relationship since their controversial rematch in 1997 when Tyson took a chunk out of his opponent 's ear . Both are long retired but 50-year-old Hopkins has yet to announce whether he plans to continue after losing to hard-hitting Russian Sergey Kovalev last November . Tyson pretends to take a chunk out of the director 's ear while Holyfield poses at a previous event . Tyson bites a chunk out of Holyfield 's ear in their heavyweight rematch in 1997 . Tyson , meanwhile , has admitted that UFC champion Ronda Rousey might 'kick his ass ' . Rousey defended her bantamweight title last month when she submitted Cat Zingano in just 14 seconds . 'S*** , Ronda Rousey might kick my ass , ' Tyson told the Huffington Post . 'That 14 seconds the last fight , s*** man , you got to take that seriously . 'She 's marketed herself , and not necessarily from a publicist 's perspective . She put in the work , too . She 's putting these people to bed , she 's tapping them out , she 's doing the 14-second thing . '
Mike Tyson and Evander Holyfield were at the screening of Champs . The documentary features them and Bernard Hopkins . All Two are among the best world champions ever in the sport . The documentary charts their rise from poverty . CLICK HERE for all the latest boxing news .