These were the top jockeys at Belmont Park in 2019, rated by winning percentage.
Code:
Lezcano Jose 25.38 %
Alvarado Junior 23.71 %
Ortiz Jose L 22.43 %
Saez Luis 22.31 %
Velazquez J R 22.22 %
Rosario Joel 21.15 %
Castellano J J 18.18 %
Carmouche K 16.67 %
Franco Manuel 16.67 %
Davis Dylan 16.03 %
This result was obtained from Bris files.
