They play each other Saturday for the Olympic gold medal in women's tennis. Puerto Rico's Puig, ranked 34th in the world, is the upstart in every way. Kerber, the Australian Open champion, is starting to look very comfortable in the role of favorite. Her underdog run to the final comes amid the economic crisis devastating the U.S. territory, which fields its own Olympic team. Then Kerber built on that success with her run at Wimbledon, where she lost to a nearly flawless Williams.

Source: Fox News August 12, 2016 23:37 UTC