Auburn took the lead on the second 200-meter leg and held it all the way to win by 3 meters in 1:22.53.
He took the lead at the start and was never headed, winning by 20 meters.
Then Watkins moved in front on the last turn and won by less than 2 meters.
Then he won the 200-meter backstroke by 9 meters in 1:56.10.
It won the 4x200 relay by 10 meters in 1 minute 29.78 seconds, a meet record.
Grizzle went through her first 400 in 59.9 seconds and won the race by 50 meters.
He helped the Americans win by seven meters in 3:34.24, the third fastest time ever.
Sharpe returned to win the 800 by seven meters in 1:51.62.
Then she won the 400-meter freestyle by 10 meters in 4:12.16.
He pulled away from Woody (49.26) to win by 3 meters.