Paris Olympics: Simone Biles makes stunning return to competition
The US superstar, aiming to add to the four gold medals she won in Rio de Janeiro in 2016, tweaked her left calf warming up for her second apparatus, the floor exercise.
The US superstar, aiming to add to the four gold medals she won in Rio de Janeiro in 2016, tweaked her left calf warming up for her second apparatus, the floor exercise.