| http://www.w3.org/ns/prov#value | - Gamers can box as or against more than 50 real-life stars of the sport, including Pernell Whitaker, Julio Cesar Chavez, Ray Leonard, Mike Tyson, Muhammad Ali, and the Klitschko brothers, Wladimir and Vitali, as well as many other pugilist superstars from the past and present.
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