Rafael Nadal just won a doubles gold medal in Rio, he's ranked No. 5 in the world and he's got 14 Grand Slams. But that doesn't mean he isn't a little afraid of snakes and armadillos. His facial expressions while visiting the Cincinnati Zoo say it all. There's nothing wrong with preferring the tennis court to the animal arena.

Back on court, the 30-year-old beat Pablo Cuevas in the first round of Cincinnati and will take on Croatian teenager Borna Coric on Thursday.