Floyd Joy Mayweather Jr. is an American professional boxing promoter and former professional boxer. He competed from 1996 to 2007 and 2009 to 2015, and made a one-fight comeback in 2017. During his career, he held multiple world titles in five weight classes and the lineal championship in four weight classes , and retired with an undefeated record of 50–0, surpassing Rocky Marciano's record of 49–0. As an amateur, Mayweather won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships , and the U.S. national championship at featherweight.
Louis Clark Brock is an American former professional baseball player. He began his 19-year Major League Baseball career playing in 1961 for the Chicago Cubs, and spent the majority of his career playing as a left fielder for the St. Louis Cardinals. He was inducted into the National Baseball Hall of Fame in 1985 and the St. Louis Cardinals Hall of Fame in 2014. He is currently a special instructor coach for the St. Louis Cardinals.
Michael Jeffrey Jordan , also known by his initials, MJ, is an American retired professional basketball player, businessman, and principal owner and chairman of the Charlotte Hornets of the National Basketball Association . Jordan played 15 seasons in the NBA for the Chicago Bulls and Washington Wizards. His biography on the NBA website states: "By acclamation, Michael Jordan is the greatest basketball player of all time." Jordan was one of the most effectively marketed athletes of his generation and was considered instrumental in popularizing the NBA around the world in the 1980s and 1990s.
Robert "Rocky" Balboa is the title character of the Rocky series. The character was created by Sylvester Stallone, who also portrayed him in all seven Rocky films. He is depicted as an everyman who started out by going the distance and overcoming obstacles that had occurred in his life and career as a professional boxer. While he is loosely based on Chuck Wepner, a one-time boxer who fought Muhammad Ali and lost on a TKO in the 15th round, the inspiration for the name, iconography and fighting style came from boxing legend Rocky Marciano.