Harrahs Philadelphia - Race 10

Exercise Rider

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

Underlay

A horse that is going off at lower odds than it deserves based on performance.

Tack

The equipment the horse wears, including saddle and bridle. A jockey typically has their own racing saddle, placed on each horse they ride just before the race.