All eyes were on Michael Phelps as he brought to an end a career few can ever hope to match as he claimed his 18th Olympic gold medal as the USA won the 4 x 100m Medley Relay.
The 27-year-old now has 22 medals - 18 gold, two silver and two bronze - 12 years after his Games career started in
Sydney when he was
fifth in the 200m Butterfly.
Six golds and two bronze medals in
followed by his historic eight gold medals in Beijing four years later.
When he was introduced before the final race of his career, his composure appeared to slip slightly.
He swam the butterfly leg and handed over to Nathen Adrian in first place for the freestyle as theThe
USA clinched another title in