Madison Keys’ Cinderella run to her first Grand Slam title at the Australian Open was magical in a lot of ways, including all of the incredible stats and records she achieved—here are just 20 ...

When Madison Keys was 10 ... What would keep her motivated? Keys is now ranked a career high No. 5. AP Photo/Vincent Thian Dominic Thiem, the former world No. 3 who won his only major title ...