Michael Phelps has admitted that winning 200m fly Olympic title was very satisfying after be reclaimed the gong from Chad le Clos.
He won the men's 4x200m freestyle relay at the Olympic Aquatic Centre in Rio. Phelps now has 21 golds.
"I was fired up," said Phelps. "I really wanted it back. I don't care about the time, I was just happy to win. I have watched 2012 back and it hurt. What happened four years ago stuck with me. It was frustrating.”