Which American heavyweight boxer, active during the 1960s and 70s, famously changed his name from Cassius Clay after joining the Nation of Islam?
Widely regarded as the Greatest Of All Time (G.O.A.T.), he championed religious freedom and racial justice and became known for his forceful personality. He was stripped of his boxing title (and did not fight for almost four years during his prime) after he refused conscription into the military during the Vietnam War. He won historic matches against Sonny Liston, Joe Frazier, and George Foreman.
Which American basketball shooting guard, regarded as the greatest basketball player of all time, owns the highest per game scoring average in NBA history and won 2 three-peats of NBA championships for the Chicago Bulls in the 1990s?
Known for his signature line of sneakers, his dunking and scoring ability, and his competitive will, he became one of the world's most famous athletes and celebrities in the 1980s and 90s.
Which American baseball pitcher and right fielder, widely regarded as the greatest baseball player ever, played most famously for the New York Yankees in the 1910s, 20s, and 30s and held the record for career home runs until 1974?
He became a well-known celebrity in the Roaring Twenties and helped transform baseball.
Which American baseball second baseman played for the Brooklyn Dodgers in the 1940s and 50s and was the first black MLB player of the modern era, breaking the color line when he debuted with the Dodgers in 1947?
He was also a 6-time All-Star, 1-time World Series champion, and 1-time NL MVP. His number 42 is retired by all MLB teams.
Which Canadian ice hockey center, nicknamed The Great One, played for the Edmonton Oilers, Los Angeles Kings, and New York Rangers in the 1970s, 80s, and 90s, and is the leading point-scorer in NHL history?
He is widely regarded as the greatest hockey player ever, and holds numerous records. He won 9 Hart Trophies as the league's most valuable player, won 4 Stanley Cup championships with the Oilers in the 80s, and had his number 99 retired by all NHL teams.
Which Brazilian soccer striker, who played most famously for Santos in the 1950s, 60s, and 70s, is considered by many to be the greatest player of all time, having scored over 1000 goals in his career?
Seen as a global ambassador for soccer and a national hero in Brazil, he led his home country to 3 World Cup titles in 1958, 1962, and 1970.
Which Argentine soccer attacker played most notably for Boca Juniors, FC Barcelona, and Napoli from the 1970s through the 1990s, and is considered the greatest player of all time along with Brazil's Pelé?
He led Argentina to victory at the 1986 World Cup, where he scored two of the most famous goals ever (both against England). Known for his bravado and outspoken nature, he is seen as a living legend in his home country.
Which Argentine soccer attacker, known for his dribbling ability, acceleration, and diminutive stature, plays for FC Barcelona, is often compared to compatriot Diego Maradona, and is regarded as one of the world's two best players?
He broke the world record for goals scored in a calendar year in 2012 and led Argentina to the World Cup Final in 2014.
Which American basketball forward, considered one of the best basketball players ever, has played for the Miami Heat and the Cleveland Cavaliers? Despite growing up in Ohio, he controversially left Cleveland to join the Heat in 2010.
A highly touted high school recruit, he achieved great fame as a teenager and skipped college to go straight to the NBA. He returned to the Cavs in 2014.
Which Swiss tennis player, considered one of the greatest players of all time, if not the greatest, is known for his smooth, intelligent playing style and notably has a longstanding rivalry with Rafael Nadal?
He holds the all-time record for Grand Slam singles titles, and at one point from 2005-10 appeared in 18 of 19 Grand Slam finals.
Since turning pro in 1996 and memorably winning the 1997 Masters, which American golfer has broken many records and has the most career major wins and career PGA Tour wins of any active golfer?
He is seen by many as the best golfer of all time. However, after dominating the sport during the 2000s, his admission of infidelity, subsequent divorce, and injuries led to an extended slump in the 2010s (though he did briefly regain the No. 1 ranking).
Which American tennis player is frequently credited, along with her sister Venus, with ushering in an era of power tennis in the women's game?
She is widely considered to be one of the greatest players ever. Known for her unique on-court fashion sense, she has won more than 30 Grand Slam titles and been ranked World No. 1 throughout much of the 2000s.
Which Heisman Trophy-winning American football running back played most notably for the Buffalo Bills in the 1960s and 70s, and in the mid-90s, was acquitted of the murder of two people, including his ex-wife, after a highly publicized criminal trial that incited racial tensions?
The only player in NFL history to rush for more than 2,000 yards in a 14-game season, he had became a popular actor and broadcaster after retiring from football. Two widely known elements of his arrest and trial were the low-speed LAPD/news helicopter chase of his white Ford Bronco and an infamous bloody glove. He is now serving prison time for an unrelated series of felonies.
Which American swimmer notably qualified for the 2000 Summer Olympics at the age of 15 and has gone on to become the most decorated Olympian of all time, with 22 total medals?
He has won a record 18 Olympic gold medals and famously won 8 gold medals at the 2008 Games alone.
Which American basketball center, known as a great rebounder and defender, played for the Boston Celtics in the 1950s and 60s and keyed a Celtics dynasty that saw him win 11 NBA titles in 13 seasons?
A prominent figure in the Civil Rights Movement, he had a rivalry with Wilt Chamberlain.
Which American tennis player and golfer was the first black athlete to cross the color line of international tennis and won 11 Grand Slam tournaments, becoming the first person of color to win a Grand Slam with her French Open title in 1956?
In the 1960s she became the first black player to compete on the women's professional golf tour.
Which American multi-sport athlete won 2 gold medals and 1 silver medal in track and field at the 1932 Olympic Games, found success in basketball, then began to play golf in the mid-30s, eventually being named AP Female Athlete of the Year 6 times?
Babe Didrikson Zaharias
Which American alpine ski racer, generally regarded as the face of alpine skiing in the U.S., has won more World Cup races than any other woman in history, and became the first American woman to win the Olympic gold medal in downhill?
Which American football quarterback, often considered the best QB ever, played for the San Francisco 49ers and Kansas City Chiefs in the 1970s, 80s, and 90s, winning 4 Super Bowls with the 49ers?
Which 1950s English athlete is best known for being the first man to run a mile in under four minutes, achieved in 1954?
Which American basketball center, regarded as one of the greatest female basketball players ever, played in the 1990s and 2000s for the WNBA's Los Angeles Sparks and won 3 WNBA MVPs, 2 WNBA titles, and 4 Olympic gold medals as a member of the U.S. women's national team?
Which American heavyweight boxer, known for his powerful knockouts and violent and eccentric behavior, held the world heavyweight titles at various points in the 1980s and 90s and famously bit Evander Holyfield's ear in their 1997 bout?
Which American basketball player and coach, most famous for coaching the UCLA Bruins from 1948-1975, won 10 NCAA championships in a 12-year period as coach of UCLA?
He was the first person inducted into the Hall of Fame as both a player and a coach.
Which 20th-century American football coach, for whom the NFL's Super Bowl trophy is named, led the Green Bay Packers to six NFL Championships and to victories in the first two Super Bowls?
Which American baseball first baseman played for the New York Yankees in the 1920s and 30s and was forced to retire in 1939 due to ALS, which claimed his life two years later?
Arguably the greatest first baseman ever, he was a 6-time World Series champion and a 2-time AL MVP.
Which American track and field sprinter and long jumper famously starred in the 1936 Summer Olympics in Berlin, winning 4 gold medals?
His performance in Berlin was notable in that it countered Nazi Germany and Adolf Hitler's promotion of supposed Aryan racial superiority.
Which multi-sport American athlete of mixed Native American and European American ancestry famously won gold medals in the decathlon and pentathlon at the 1912 Olympics?
Considered one of the greatest pure athletes ever, he also spent time playing professional football, baseball, and basketball.
Which American golfer, whose name is used to designate a drink consisting of lemonade and iced tea, turned pro in 1954 and became the first superstar of the sport's television age?
He had a rivalry with his friend Jack Nicklaus and won 7 major championships.
Which American basketball point guard, noted for his great size for the position, played for the Los Angeles Lakers in the 1970s, 80s, and 90s, and retired in 1991 after contracting HIV?
He is remembered for his showmanship and passing ability, and for helping to popularize the NBA on an international level along with Larry Bird and Michael Jordan. Since retiring he has served as an advocate for HIV/AIDS awareness, as well as a successful businessman.
Which American basketball small forward, known for his all-around skills and shooting ability in spite of his lack of elite athleticism, played for the Boston Celtics in the 1970s, 80s, and 90s, winning 3 NBA MVPs and 3 NBA titles?
He helped popularize basketball as a global game along with Michael Jordan and Magic Johnson. He later became a coach and executive, and is the only person in NBA history to be named MVP, Coach of the Year, and Executive of the Year.