Trainer Robertino Diodoro won four of the nine races on Friday's card at Oaklawn Park.
His run started in the second race with It Is Dejavu ($2.60) and continued in the fourth with Powerful Thirst ($6.80), the fifth with Fault Line ($3) and the ninth with Industrialist ($5).
Diodoro's first three winners came for M and M Racing and were ridden by David Cohen.