5 things to watch Sunday at the Olympics: RIO 2016

1. Aerobatic, ladies' qualifying 

The American ladies begin on the floor exercise, where Simone Biles and Aly Raisman have a portion of the hardest schedules on the planet. Despite the fact that Biles' is more troublesome, she'll go before Raisman – the ruling Olympic medalist on the occasion – to attempt to spare her legs a bit for the two troublesome vaults on the following occasion.

After vault, the ladies move to uneven bars where guarding Olympic all-around champion Gabby Douglas and safeguarding best on the planet Madison Kocian will grapple the line-up. On equalization shaft, first-year senior Laurie Hernandez will have an opportunity to excel as she contends with the Americans' three all-arounders – Biles, Douglas and Raisman.

2. Swimming: Ledecky, Phelps hit the pool 

Katie Ledecky's name is synonymous with world records, especially as she enters the separation segment of her program this week. She possesses the world record in both the 400 and 800 freestyles, and she'll get her first break at bringing down one of those Sunday night in the 400. Ledecky will everything except certainly win her second decoration of these Olympics, and likely her first of the gold assortment. Expect kindred American Leah Smith to go along with her on the platform, as well.

Likewise Sunday, Michael Phelps is relied upon to swim in his first race in Rio, the men's 4x100 free hand-off.

3. Fencing, Individual foil 

American Alexander Massialas is positioned No. 1 on the planet men's foil, and fellow team member Gerek Meinhardt is fourth. No American man ever has won gold in men's individual foil.

4. Ladies' rugby quarterfinals 

As rugby sevens makes its Olympic presentation, the Americans try to impact the world forever in Rio. They have a 1-1 record as they enter their last gathering amusement against Australia.

5. Ladies' ball 

The Americans, who have won each Olympic gold since 1996, open competition play versus Senegal. It's the first occasion when we'll see Brittney Griner, Breanna Stewart and Elena Delle Donne together in the Olympics.