Usain Bolt 9.63. Can he do it again in Rio?
5 months ago 30
Watch Usain Bolt blaze to victory in the 200m at the 2016 London Anniversary games https://www.youtube.com/watch?v=64eyNqoDzuc
2016 Usain Bolt vs 2016 Justin Gatlin https://www.youtube.com/watch?v=ccSzZbJOzoA
Usain Bolt of Jamaica enters the Olympic Stadium, making his highly-anticipated Rio debut in round one of the 100m.
Watch more from Rio at http://www.nbcolympics.com and download the NBC Sports App at http://www.nbcsports.com/sports-mobile