![Julio Cortez FILE - Justify (1), with jockey Mike Smith up, crosses the finish line to win the 150th running of the Belmont Stakes horse race, Saturday, June 9, 2018, in Elmont, N.Y. Triple Crown winner Justify, 2017 Horse of the Year Gun Runner and jockey Joel Rosario have been elected to the National Museum of Racing and Hall of Fame in their first year of eligibility. (AP Photo/Julio Cortez, File)](https://mapi.associatedpress.com/v2/items/f3ea0d65a89745bdb2a7bc4fde11367b/preview/preview.jpg?s=680x)
FILE - Justify (1), with jockey Mike Smith up, crosses the finish line to win the 150th running of the Belmont Stakes horse race, Saturday, June 9, 2018, in Elmont, N.Y. Triple Crown winner Justify, 2017 Horse of the Year Gun Runner and jockey Joel Rosario have been elected to the National Museum of Racing and Hall of Fame in their first year of eligibility. (AP Photo/Julio Cortez, File)
![David J. Phillip FILE - Victor Espinoza rides American Pharoah to victory in the 141st running of the Kentucky Derby horse race at Churchill Downs in Louisville, Ky., May 2, 2015.(AP Photo/David J. Phillip, File)](https://mapi.associatedpress.com/v2/items/f1badacef0604febbf3d9e75184a6407/preview/preview.jpg?s=680x)
FILE - Victor Espinoza rides American Pharoah to victory in the 141st running of the Kentucky Derby horse race at Churchill Downs in Louisville, Ky., May 2, 2015.(AP Photo/David J. Phillip, File)
![Gregory Payan FILE - Jockey Mike Smith looks on before a horse race at Churchill Downs in Louisville, Ky., May 3, 2019. Many in the crowd that packed Churchill Downs for last year’s Kentucky Derby left in tears and questioning the safety of horse racing after two horses died that day. “You can’t ever be too safe when it comes to our sport,” two-time Derby-winning jockey Mike Smith said. (AP Photo/Gregory Payan, File)](https://mapi.associatedpress.com/v2/items/8f6a70403b32450ab0b802eae1795eeb/preview/preview.jpg?s=680x)
FILE - Jockey Mike Smith looks on before a horse race at Churchill Downs in Louisville, Ky., May 3, 2019. Many in the crowd that packed Churchill Downs for last year’s Kentucky Derby left in tears and questioning the safety of horse racing after two horses died that day. “You can’t ever be too safe when it comes to our sport,” two-time Derby-winning jockey Mike Smith said. (AP Photo/Gregory Payan, File)
![Darron Cummings FILE - Victor Espinoza rides American Pharoah to victory in the 141st running of the Kentucky Derby horse race at Churchill Downs Saturday, May 2, 2015, in Louisville, Ky. “There’s nothing like winning the Kentucky Derby,” Espinoza, a three-time winner, said recently. “To me it’s the most important thing in horse racing.” (AP Photo/Darron Cummings, File)](https://mapi.associatedpress.com/v2/items/c28595b30c7a46ef9115e5f31c7b2205/preview/preview.jpg?s=680x)
FILE - Victor Espinoza rides American Pharoah to victory in the 141st running of the Kentucky Derby horse race at Churchill Downs Saturday, May 2, 2015, in Louisville, Ky. “There’s nothing like winning the Kentucky Derby,” Espinoza, a three-time winner, said recently. “To me it’s the most important thing in horse racing.” (AP Photo/Darron Cummings, File)