The response was swift, powerful and wide-ranging, with Hall of Fame trainer Bob Baffert and 2015 Triple Crown winner American Pharoah leading the charge to help injured local jockey Alyssa Selman.
With the final preps set, here's where horses need to finish to qualify.
Run down the field of 11 -- and their odds -- for the weekend's headline stakes.
Riders will use whips Friday at Santa Anita after all. What's next in this saga?
Run down odds and analysis for Saturday's Derby prep at Keeneland.
Can these new Derby qualifiers get the distance? Analyst Laurie Ross examines.