Seeking their third straight gold medal, May-Treanor and Walsh Jennings defeated Marleen van Ierse and Sanne Keizer of the Netherlands 21-13, 21-12.
Next up for the American beach volleyball stars will be Greta Cicolari and Marta Menegatti of Italy Sunday.
In the men's tournament round of 16, Jacob Gibb and Sean Rosenthal of the United States advanced past a Russian pair in straight sets and will face Martin Plavins and Janis Smedins of Latvia Monday.
Turkey considering to use pistachios to heat country’s first eco-city
Lytro unveils camera that can focus a photo after shooting it