Highlights
Floyd Mayweather paid $750,000 to leave his promoter in 2006, then turned boxing’s biggest fights into a $1 billion career
PSG paid €222 million for Neymar in 2017, Barcelona spent €345 million on three stars and Paris won the Champions League without him
Michael Jordan signed a $2.5 million Nike deal in 1984, and the partnership grew into a $7 billion-a-year sneaker empire
Graeme Obree broke cycling’s hour record on a homemade bike in 1993, lost it six days later and came back to beat it again
Two table tennis players spent 2 hours and 12 minutes on a single point in 1936, then officials changed the rules to stop it happening again