Usain Bolt to Start <br />'Indefinite Training Period' <br />With Australian Soccer Team 31-year-old Jamaican Usain Bolt will <br />begin an "indefinite training period" <br />with Australia's Central Coast Mariners<br /> on August 18. His goal is to make the squad for the Mariners' season opener on <br />October 21. Usain Bolt, via CNN The eight-time Olympic gold medalist has always been open about his desire to play soccer professionally. However, the agreement for Bolt to <br />begin training "does not guarantee a professional playing contract." While Bolt's speed as the fastest man in the world is undeniably impressive, his ball skills are still a work in progress. Shaun Mielekamp, Mariners CEO, via CNN Though Bolt might have a long <br />way to go, he's expressed that <br />he's up for the challenge. Shaun Mielekamp, Mariners CEO, via CNN