How Jockeys Are Assigned to Horses

For those new to the world of horse racing, it quickly becomes apparent that equine competitors frequently change riders throughout their racing careers. It is highly unusual for a single rider to guide a horse from its debut race all the way to its retirement. This weekend’s Travers Stakes, scheduled for Saturday, Aug. 29, at Saratoga, serves as a perfect illustration of this pattern, with seven out of the ten entered horses featuring different jockeys compared to their previous outings. As one of the season’s premier events boasting a $1.25 million purse, the Travers will be broadcast live coast-to-coast on FOX starting at 6:35 p.m. ET.

While there are numerous explanations for switching jockeys, the fundamental concept is straightforward: those who own the horses operate like small business owners, typically adopting a corporate executive approach, whereas North American jockeys function as self-employed contractors responsible for managing their own career choices.

This setup grants considerable flexibility to both owners and riders in the daily operations of the sport, though it also introduces a level of uncertainty, which highlights the critical role of networking and relationship-building in racing. Achieving success as a rider demands not only natural ability and dedication but also a strong drive for self-marketing. Consequently, the majority of riders—particularly those at the elite level—dedicate themselves to perfecting their craft in the saddle while employing professional agents to manage their bookings and secure racing opportunities (referred to as mounts).

Typically, an agent takes a 20% to 25% cut of the rider’s income. This income is generated from flat fees paid for participating in a race, and more significantly, from a share of the prize money earned during successful runs (the standard cut for a victorious rider is 10% of the first-place purse). In exchange for this fee, the agent operates much like representatives for actors, writers, musicians, or other self-employed talent—actively pursuing new opportunities around the clock. Even though elite riders in North America can make millions annually, they are still subject to being taken off a horse at any time due to the choices of the owner, the wishes of the trainer, or a joint decision by both parties.

Several factors can lead to a new rider being assigned to a horse, including:

1. Physical Injury: Regrettably, mishaps are a reality on the track, and despite significant improvements in safety equipment over the last several decades, almost every rider will eventually face a period of sidelining to heal from an injury. If a jockey is sidelined when an assigned horse is scheduled to run, the connections must seek a replacement rider. A prime example in this Saturday’s Travers is Renegade, the runner-up from the Kentucky Derby and a top contender, who will be ridden by Tyler Gaffalione instead of Irad Ortiz Jr. Ortiz, who guided the colt in six consecutive races and seven of his eight lifetime starts, is sidelined with a foot injury. (Ortiz was also the regular rider for the outsider Leading Change, who will now be guided by Manny Franco in the Travers. Consequently, another longshot, Ocelli, who had been ridden by Gaffalione in his last four starts, will now feature Edgard Zayas in the irons.)

2. Relocating to a Different Venue or Circuit: High-caliber thoroughbreds frequently travel to various racetracks and different regions of the country for competitions. In these situations, connections often opt to hire a local rider who is highly familiar with the specific track. However, in major stakes events, if there is a strong, successful partnership already established between the connections and a rider, that jockey will typically travel with the horse.

3. Adjustments in Tactical Approach: Both equines and their riders possess unique abilities and limitations, leading trainers and owners to seek out individuals whose riding styles match the horse’s needs. If, after several races, the team decides to alter their in-race tactics—such as urging the horse to run closer to the early pace instead of closing from behind, or switching to a different track surface—they may choose to bring in a new jockey whom they believe is better suited to implement these changes.

This kind of tactical decision seems to explain another rider switch in Saturday’s Travers, where Hall of Fame jockey John Velazquez is set to guide Preakness Stakes champion Napoleon Solo for the first time. The colt had been ridden in his last three races by Paco Lopez. Although Lopez, who currently leads the nation in victories for 2026, guided Napoleon Solo to victory in May’s Preakness and a second-place finish in last month’s Haskell Stakes, the ownership group Espoir USA (which acquired the horse post-Preakness) opted to try a different direction for this upcoming race.

4. Demanding Greater Expertise: This reality presents a major challenge for rising riders trying to break into the elite ranks. At the start of their careers, riders are labeled as apprentices and receive a weight break, which reduces the load their mounts must carry compared to horses ridden by experienced jockeys. This weight advantage, however, does not apply to stakes races, where apprentices are seldom seen. Once these young athletes transition to journeyman status and lose their weight break after reaching a set milestone of races, they are still relatively inexperienced. Consequently, when a horse demonstrates the quality to run in high-stakes events, owners and trainers often opt to replace the young rider with a veteran who has proven experience on the sport’s biggest stages.

Looking at Saturday’s field, New Jersey rider Jorge Vargas Jr. is being replaced by Paco Lopez on Baby Vino, a colt Vargas guided to a surprising 28-1 victory in the Haskell Stakes last month. In an ironic twist, Lopez had been riding the runner-up Napoleon Solo in that very same Haskell race. Now, after losing his spot on Napoleon Solo to John Velazquez, the country’s leading rider by wins has picked up the mount on Baby Vino for the Travers.

5. Subpar Performance: When a horse fails to run as expected, the trainer and owner must evaluate what went wrong. Unfortunately for the riders, they are often the easiest targets for criticism. Questions arise: Did they wait too long to launch their bid, getting trapped without room in the homestretch? Did they move wide when they should have stayed inside? While everyone watching has a theory, only the perspectives of the owners and trainers carry real consequences in the sport.

In contrast to mainstream professional sports leagues, North American riders do not have a formal union, though the Jockeys’ Guild has worked to improve safety standards and working conditions since 1940, while also supporting riders through various challenges, including offsetting steep medical expenses.

Thus, in a field where riders and their representatives are constantly vying for assignments, dramatic fluctuations in opportunities and earnings are a natural part of the business. Nevertheless, those who dedicate their lives to this highly demanding calling will tell you that the unmatched thrill of crossing the wire first makes every struggle completely worth it.