Top Rank, Inc. is a Paradise, Nevada-based boxing promotion company founded by Jabir Herbert Muhammad and Bob Arum, which was incorporated in 1973. Since its founding, the company has promoted several world class fighters, such as Muhammad Ali, Alexis Argüello, Oscar De La Hoya, Roberto Durán, Joe Frazier, George Foreman, Marvin Hagler, Juan Manuel Marquez, Manny Pacquiao, Sugar Ray Leonard, Floyd Mayweather Jr., Erik Morales, Thomas Hearns, Paulie Ayala, Iran Barkley, Michael Carbajal, Larry Holmes, Ray Mancini, Carlos Monzón, Terry Norris, Gabriel Ruelas, Rafael Ruelas, James Toney, and many others. The company has promoted such superfights as Hagler vs Leonard, Chavez vs De La Hoya, Holyfield vs Foreman, Foreman vs Moorer, Leonard vs Hearns, Hagler vs Hearns, Ali vs Frazier II and both Ali vs Spinks fights. The company also promoted George Foreman's comeback to regain the world championship, culminating in the knockout of then IBF/WBA champion Michael Moorer on November 5, 1994. Recently the company has focused primarily on Hispanic fighters.