Rio Olympics 2016: 5 must-watch events on day 12

Track and Field: Women's 100-meter hurdles final: Americans Brianna Rollins and Kristi Castlin registered the fastest times in the preliminary to reach the semis, then qualified for the finals as well. Women's long jump final: Defending champion Brittney Reese looks to keep her title while going up against teammate Janay DeLoach Soukup, who won bronze in 2012. Basketball: Men's quarterfinal: The U.S. takes on Argentina in a quarterfinal matchup. The U.S. has looked shaky in its two previous games, winning by a combined margin of six points. Beach Volleyball: Women's bronze medal match: Kerri Walsh Jennings and April Ross will look to win the bronze medal in their matchup with Brazilians Larissa Franca and Talita Antunes. Boxing: Women's middleweight quarterfinal: American Claressa Shields faces Russia's Yaroslava Yakushina for the right to advance to Friday's semifinals.