In the latest embarrassment to the Southern Hemisphere's first Olympics, the U.S. Olympic Committee said Ryan Lochte and three other American swimmers were robbed by armed men who stopped their taxi hours after the final night of swimming.
As NPR points out, if Phelps was not a person but a country competing in Rio, he would have more gold medals than all but 32 of the 205 countries present, and that includes medal tallies from the summer AND winter games.
"These games really showed his growth, " teammate Anthony Ervin said.
Later Sunday, Simone Biles looks to add a third Olympic gymnastics gold medal, Andy Murray tries to become the first man to win two singles gold medals in tennis and at track, a showdown in the 400 final pits LaShawn Merritt, Kirani James and Wayde van Niekerk. While he finished the games in Australia with no medals, he started winning them one after the other ever since.
Phelps swam the butterfly third leg of a tight race, pushing the U.S. from second behind Great Britain up to first before freestyle specialist Nathan Adrian saw it home for gold in an Olympic record time of three minutes 27.95 seconds.
"I wouldn't change anything", he said.
Murphy broke a world record for the event in the backstroke, finishing in 51.85 seconds, according to a statement from Team USA.
The Americans regained the lead in the butterfly, as Phelps overtook James Guy, and Adrian held off Duncan Scott in the final straight to give the United States of America their 16th swimming gold medal in Rio.
It was also the 1,001st gold medal for the United States.
"A thousandth gold for team US", said Simone Manuel, who swam the anchor leg for her second gold of the games and second medal of the night.
Jemima Jelagat Sumgong became the first Kenyan to win the women's Olympic marathon, a race that featured Estonian triplets who entertained themselves and others by doing an in-sync dance with their flag draped over six shoulders.
On Saturday morning in Rio de Janeiro, Brazil, the American women's rowing team snagged its third consecutive Olympic gold.
The final two individual golds of the games went to Pernille Blume of Denmark in the 50 free, her country's first swimming victory since 1948, and Italy's Gregorio Paltrinieri in the grueling 1,500 free.
The only way imaginable.