Baze swept races four through seven with My Friend Bart ($3.80), Another Kris ($4.60), L. A. Lass ($5), and Bid of Genius ($5.20). After sitting out the eighth race, Baze guided Iza Big Star ($5.40) to a last-to-first victory in the ninth race.
Baze had his winning streak snapped in the 10th race when he finished third aboard Gaucho Wish. The five-victory afternoon pushed Baze's career win total to 9,548.
The 48-year-old rider passed Laffit Pincay Jr. to become racing's all-time victory leader on Dec. 1.