http://www.nbcolympics.com/news-blogs/track-and-field/breaking-down-usain-bolt-in-100m.html
Breaking Down Usain Bolt In 100m A look at the Jamaican’s strengths, weaknesses, and prime competition
Mai 2, 2012 | Keine Kommentare
Mai 2, 2012 | Keine Kommentare
http://www.nbcolympics.com/news-blogs/track-and-field/breaking-down-usain-bolt-in-100m.html