Apprentice rider Johan Rosado and his father, Roberto, won five of the nine races Tuesday at Parx Racing.
Johan concluded the day by winning the nightcap aboard Tizzy Dancer ($6.40) for trainer Kate DeMasi.
Johan, a five-pound apprentice, won races 1, 6, and 9. His first two wins came on Kelly's Silver ($3.40) and Movie Score ($17), who are trained by DeMasi and Scott Lake.
Roberto Rosado won races 2 and 5 on Marq One ($8.20) and Butch Cassidy ($22.80), who are conditioned by Michael Pino and Diane Day.