Jeff Demps is keeping busy on the track for the rest of July and will likely get an invite to compete at the world championships in mid-August. But when he's done, one of the world's fastest men plans to play for the Tampa Bay Bucs. Demps will almost certainly compete at the IAAF World Championships in Moscow, but when the track event is over on Aug. 18 he will join the Bucs for the final few weeks of the preseason, the Tampa Tribune and Tampa Bay Times reported.