Tokyo Olympic athletes beware — particularly larger ones.
Evidence shows that Russian authorities tampered with a Moscow laboratory database to hide hundreds of potential doping cases, investigators said.
It's been a record-breaking year for gymnast Simone Biles. The 22-year-old Olympic athlete became the most decorated gymnast in the world after taking home her 25th medal at the world gymnastics championships in Germany in October. Now she's been named Female Olympic Athlete of the Year.