he theory that ball travels faster than man will be put to the test on September 2 when world and Olympic champion Usain Bolt takes on India's Yuvraj Singh in a cricketing showdown at the Chinnaswamy stadium.Jamaica's Bolt, who has been roped in by his sponsor Puma, will play a tennis ball match with the Indian southpaw for about an hour. Yuvraj's friend and former India off-spinner Harbhajan Singh too is part of the show along with another Clarity on the number of players and overs may emerge in the next few days but the organisers are excited about what Bolt and Yuvraj would do on the field besides playing cricket.While the tennis ball to be used at the Chinnaswamy will pose no such danger, sources expect light-hearted banter between Bolt and Yuvraj to keep the crowd entertained.