Muhammad Ali (born Cassius Marcellus Clay, Jr.) is an American former
professional boxer, philanthropist and social activist. Nicknamed "The
Greatest", and widely considered the best heavyweight of all-time, Ali was
involved in several historic boxing matches.
Ali become the first and only three-time lineal World Heavyweight Champion.
Usain Bolt is a Jamaican sprinter widely regarded as the fastest person ever. He
is the first man to hold both the 100 and 200 metres world records since
automatic time measurements became mandatory in 1977.
His achievements have earned him the media nickname "Lightning Bolt", and awards
including the IAAF World Athlete of the Year and Track & Field Athlete of
Michael Jeffrey Jordan (MJ), is an American former professional basketball
player, entrepreneur, and majority owner and chairman of the Charlotte
MJ's individual accolades and accomplishments include five MVP awards, fourteen
NBA All-Star Game appearances and many more. He was inducted into the Basketball
Hall of Fame in 2009.