ESPN

Worse motorsport mishap?

•  
  51%
  Johnny Brown gives a very weak "Gentlemen, start your engines," resulting in loud boos
•  
  49%
  NASCAR pit crew members have trouble executing a simple high five

(Total votes: 3,578)

Worse mental mistake?

•  
  48%
  Royals ballboy interferes with Blue Jays outfielder Rajai Davis, trying to make a play on a foul pop-up
•  
  52%
  Nate Robinson illegally steals a jump ball, then trips over opponent

(Total votes: 3,837)