Jockey Juan Hernandez won three of the first seven races on Saturday's nine-race program, following a three-win day on Friday.
Hernandez has two more mounts on Saturday - Nardini (1) in the eighth race, the California Distaff Handicap, and the longshot Mr Show Off (11) in the ninth race.
Hernandez, who relocated from Northern California in June, has won 14 races at the current autumn meeting that began on Sept. 25. He currently ranks second in the jockey standings behind Flavien Prat, who has 16 wins. Prat rode at Keeneland on Saturday.