Black power in the ring, your thoughts ?!?

How will history rate these world champions on a global scale ? Jeff Chandler, Harold Dade, Davey Moore, Hogan Kid Bassey, Sandy Saddler, Chalky Wright, Henry Armstrong, George Dixon, Rocky Lockridge, Roger Mayweather, Floyd Mayweather Jr., Pernell Whitaker, Joe Brown, Bud Smith, Jimmy Carter, Ike Williams, Joe Gans, Eddie Perkins, Zab Judah, Cory Spinks, Vernon Forrest, Buddy McGirt, Simon Brown, Maurice Blocker, Marlon Starling, Lloyd Honeyghan, Donald Curry, Sugar Ray Leonard, Curtis Cokes, Emile Griffith, Virgil Akins, Johnny Saxton, Sugar Ray Robinson, Young Jack Thompson, The Dixie Kid, Joe Walcott, Winky Wright, Shane Mosley, Ayub Kalule, Freddie Little, Jermain Taylor, Bernard Hopkins, Marvelous Marvin Hagler, Dick Tiger, Gorilla Jones, Tiger Flowers, Jean Pascal, Glen Johnson, Antonio Tarver, Roy Jones Jr., Michael Spinks, Bob Foster, Harold Johnson, Archie Moore, John Henry Lewis, Battling Siki, David Haye, Oneil Bell, Jean - Marc Mormeck, Evander Holyfield, Hasim Rahman, Lennox Lewis, Michael Moorer, Riddick Bowe, Buster Douglas, Mike Tyson, Michael Spinks, Larry Holmes, Leon Spinks, George Foreman, Joe Fraizer, Muhummad Ali, Sonny Liston, Floyd Patterson, Ezzard Charles, Jersey Joe Walcott, Joe Louis, and Jack Johnson. How much of an impact in boxing these world champions have made ?...nuff said !