The champion sprinter Usain Bolt has hinted that his football career might be over after all. Here are some other stars who have switched sports.
World-record breaking sprinter, Usain Bolt trialled with a number of football clubs in 2018 following his retirement from sprint athletics.
Dame Sarah Storey has won more medals for Great Britain than any other female Paralympian. She's now known for her success in cycling but she actually started off as a swimmer.
Andrew 'Freddie' Flintoff retired from cricket in 2010 having played a key role in England's Ashes victories in 2005 and 2009. In 2012, he made his professional boxing debut and he won the match! It was his only fight to date.
Olympic medal winning track cyclist Victoria Pendleton swapped riding bikes for horses to become an amateur jockey.
Former American basketball player Michael Jordan is one of the world's most famous sports people. After retiring in 1993 he had a brief spell playing baseball. He didn't quite match his success with the bat as he had on the basketball court... so he went back to the Chicago Bulls and won lots more NBA titles.
Sir Chris Hoy switched from cycling to motor racing. He added to his record list of achievements when he finished the world's most demanding motorsport endurance race, the Le Mans 24 Hours.