"Somebody said I can become immortal. Two more medals to go and I can sign off. Immortal."
The 21-year-old has struggled with knee problems and missed last year's world championship with chronic back pain.
"I went to a football game to see Brazil play Sweden, but after Pokemon Go started I lost interest."
"This is the way I wanted to finish my career," he said.
Top photos from the past week.
"We reached the Games in a very significant economic crisis. Political changes also affected the mood of the Brazilian people."
"King and Efimova are flat characters in an Olympic tale that borders on jingoism." -- Washington Post
He became first Vietnamese athlete to win two Olympic medals
Phelps has by far the most of any Olympic athlete and is the only one to win eight golds at...
"I don't understand, because it always used to be that all athletes were above politics."
"I thought my heart was going to explode, I was so hyped, so excited," said Phelps, competing in his fifth Olympics...
Of all the problems faced by Rio organizers, street crime is the one they have least control over.
Dutch Cycling Federation later tweeted that she was "conscious and ok".