AU - Belmont Park

Exercise Rider

A rider built much like a jockey but is employed for exercising and working out horses in the morning.

Minus Pool

A pari-mutuel pool – typically a show pool - where one horse is so heavily bet that after deductions there is not enough money left to cover the prescribed minimum on each bet.

Apprentice

A new jockey who has not ridden a certain number of winners in a specified time period.