The other women's soccer quarterfinals are Sweden vs. France (5 a.m.); Brazil vs. Japan (10 a.m.); and Canada vs. Great Britain (12:30 p.m., NBCSN/NBC soccer channel).
Two other American teams are in action - vs. China in women's water polo. (1:30 p.m., NBC/Ch. 5); vs. the Czech Republic in women's basketball (3 p.m., NBCSN)
There's all sorts of qualifying in all sorts of events in the first day of track-and-field competition. (9-9:30 a.m.; 10:30-11 a.m., 3:25-4 p.m. NBC/Ch. 5)
NBC PRIMETIME (7-11 p.m., Ch. 5): Swimming gold-medal finals in men's 100m butterfly and 50m freestyle; women's 200m backstroke and 800m freestyle; track and field highlights; men's trampoline final; USA vs. Serbia in women's volleyball.
Men's gymnastics (7 a.m., MSNBC): America's hopes for its first medal in men's trampoline lies with Steven Gluckstein.
Shooting (7-7:30 a.m., NBCSN): Gold-medal final in men's 50m prone rifle.
Archery (9:15 a.m., NBCSN): Men's individual gold-medal final.
Rowing (9:30-9:45 a.m.; 1:45-3:25 p.m., NBC/Ch. 5): Gold-medal finals in men's pair, single and quadruple sculls and women's double sculls.
Swimming (9:45-10:30 a.m.; 1-1:30 p.m., NBC/Ch. 5): Qualifying men's and women's 4x100m medley relays and 50m freestyle and men's 1500m freestyle.
Beach volleyball (11 a.m.-1 p.m., NBC/Ch. 5): A pair of elimination matches.
Badminton (1:45-2:15 p.m., MSNBC): Gold-medal final in mixed doubles.
Weight lifting (noon-12:30 p.m., 1-1:45 p.m., MSNBC): Gold-medal finals