The Chiefs running back was also an All-American in track at Texas.
Carolina Panthers QB Cam Newton on Usain Bolt.
An 8-year-old becomes a sensation and an 'Ellen' guest.
The sprinter was celebrating his gold medal at the World Championships when a cameraman's vehicle found his legs.
The American track star is tired of getting questions only on his doping history.
In 2008, the legendary Jamaican sprinter broke his own world mark for the event the 2008 Beijing Olympics.
The 37-year run of no Triple Crown winners is over, but the greatness of the 1973 winner is put in perspective again.
Usain Bolt may be the fastest human being on two legs, but Kenichi Ito is the fastest on all fours.
Modern science catches up to Usain Bolt.
The sprinter made a couple's day.