Which sport became the first to openly pay players in the 1860s?

What was the main reason early Olympic organizers insisted on amateurism?

Which English soccer club is recognized as the oldest professional football club in the world?

What innovation made it possible for sports leagues to generate massive revenue starting in the 1920s?

Which heavyweight boxing match in 1921 became the first sporting event to generate over one million dollars in ticket sales?

What did the reserve clause in early baseball contracts allow team owners to do?

Which tennis tournament was the last of the four Grand Slams to allow professional players to compete?

What did the formation of the American Football League in 1960 force the established NFL to do?

Which basketball player's 1984 endorsement deal with Nike created the Air Jordan brand and changed athlete marketing forever?

What did the 1995 Bosman ruling by the European Court of Justice allow soccer players to do?