The Breeders' Cup World Thoroughbred Championships lost three starters on Friday when stewards were notified that Fleet Renee, Slew Valley, and Numerous Times would be scratched.Trainer Michael Dickinson scratched Fleet Renee because she had "tied up" Thursday night, a recurring problem for the filly, and had to be treated with fluids. The 3-year-old daughter of Seattle Slew was third choice in the morning line (5-1) for the Breeders' Cup Distaff (gr. I). Dickinson also reported that Slew Valley, his Breeders' Cup Turf (gr. I) contender, had to be withdrawn because of an upper respiratory problem. Dickinson said Slew Valley coughed several times after cantering Friday morning.Slew Valley is a 4-year-old son of Valley Crossing who was 20-1 in the morning line. The Dickinson horses, who are at his Tapeta training center in northeastern Maryland, had been expected to ship to Belmont Park early Friday morning. There was a noon Friday deadline for all Breeders' Cup horses to be at Belmont Park.Numerous Times was scratched because the Mile (gr. I) contender had wrenched his right front ankle overnight, possibly in his stall. Numerous Times, a 4-year-old Canadian-bred son of Numerous, is trained by Sid Attard and was 12-1 in the morning line.In the only workout by a Cup horse Friday morning, Mile contender Sarafan "blew out" three furlongs in :35 4/5 on turf.