[bc_video_id:290591:]LOUISVILLE, Ky. – The threat of heavy rains, forecast to start sometime Saturday, forced the hands of several trainers looking to assure they would have a fast track for the all-important final Kentucky Derby works scheduled this weekend. A number of breezes originally penciled in for Sunday were moved up 24 hours, including five of trainer Todd Pletcher’s six potential Derby starters, and Chad Brown’s horse Normandy Invasion.[:slideshow-right:]