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Men’s volleyball: Thomas Jaeschke led Wheaton South to an IHSA title and Loyola to two NCAA championships. His quest to add to his trophy collection begins when the U.S. starts pool play vs. Canada (3 p.m., NBC-5).

Rowing: The bestselling book “Boys on the Boat” told the story of the 1936 U.S. gold medalists and the athleticism and teamwork it takes to succeed in this sport, which continues with morning preliminaries (9 a.m., NBC-5).

Tennis: The stars get going with first-round matches, highlighted by 12-time major winner Novak Djokovic of Serbia taking on 2012 bronze medalist Juan Martin del Potro of Argentina (2:45 p.m., Bravo). Rafael Nadal and 2012 gold medalists Serena Williams and Andy Murray also get started.

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Beach volleyball: One of the Games’ most televised sports gets plenty of airtime, with men’s and women’s preliminaries from the stunning setting of Copacabana Beach (8 a.m., NBCSN; 9 a.m. and 2 p.m., NBC-5; 11 a.m. and 1:30 p.m., MSNBC).

Boxing: Highlights from the second day of men’s preliminary matches, featuring lightweights and welterweights (10 p.m., tape delay, NBCSN).

Women’s basketball: The U.S. women, led by Sky star Elena Delle Donne, tip off group play against Senegal, which qualified for its second Olympics (10 a.m., NBCSN).

Women’s rugby: After splitting two games Saturday, the U.S. gets a look at No. 1 seed Australia and Ellia Green, considered the fastest woman in the sport (11:30 a.m., USA).

Women’s gymnastics: The heavily favored U.S. team of Simone Biles, Gabby Douglas, Laurie Hernandez and Madison Kocian gets going with team and event qualifying (6 p.m., tape delay, NBC-5).

Swimming: Katie Ledecky’s run at history starts with the 400-meter freestyle final at 9 p.m., as she starts her quest to win a U.S. record five golds in a single Games. The day ends with the men’s 400 relay, with 18-time gold medalist Michael Phelps expected to participate as the Americans challenge defending champion France (8 p.m., NBC-5).

Sources: NBC, Associated Press, Bloomberg