Russian hacking group Fancy Bear leaked Serena Williams, Venus Williams and Simone Biles' medical records after hacking into WADA.
Biles secured six medals at the gymnastics World Championships in Qatar, becoming the first woman to do so in 30 years and the first American ever.
Serena and Venus Williams were eliminated in the first match by Czech pair Lucie Safarova and Barbora Strycova. The loss is the Williams sisters' first-ever Olympic doubles loss.
Olympic gold medal gymnast Shawn Johnson explains just how good Simone Biles is.
Simone Biles won her sixth all-around title at the U.S. Gymnastics Championships, continuing to cement her legacy as one of the best athletes of our generation. With Biles obliterating her competition, SI Now hosts Robin Lundberg and Ryan Asselta assess where her dominance ranks among her peers.