Floyd Mayweather Jr. was born Floyd George Sinclair on February 24, 1977 in Grand Rapids, MI, USA into a family of boxers. His father, Floyd Mayweather Sr. was a former welterweight contender who fought the likes of Sugar Ray Leonard during his heyday. His uncles, Jeff Mayweather and Roger Mayweather were also professional boxers with Roger – his current trainer – winning two world championships and Jeff, a former IBO super featherweight champion. His father...