The United States won the men's 4x100 metres medley relay on Saturday after Ryan Murphy had given them a world record start that propelled Michael Phelps to a 23rd gold medal in his final Olympic race.
The greatest Olympian ever now has 28 (gulp!) Olympic medals, including three silver and two bronze medals.
Michael Phelps won the 19th gold medal of his Olympic swimming career on Sunday after helping the US men's team to victory in the 4x100 metres freestyle relay.
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