Team USA, ranked fifth in the world, continues Pool B play Tuesday against Germany at 8:45 a.m. PT.
Former UCI All-American David Smith, a middle blocker, made his Olympic debut as a substitute in the opening set.
Team USA, coached by former Orange Coast College standout Alan Knipe, also includes backup setter Brian Thornton, a former UCI All-American.
WOMEN'S WATER POLO
The U.S. women's water polo team, including backup goalie Tumua Anae, a Corona del Mar High product, defeated Hungary, 14-13, on Monday in their first Group A match.