“The horse had been doing really well. But we have to do what’s right by the horse.” Muth's defection means Kentucky Derby winner Mystik Dan will likely go off as the favorite in the field ...

Gainesway has acquired the breeding rights to multiple grade 1 winner Muth , the farm announced Oct. 28. The son of Good Magic will stand at the Lexington farm upon his retirement from racing.

The owner of Arkansas Derby winner Muth has sued Churchill Downs Inc. and ... asserted that the ban of Zedan and other Baffert-trained horses from running in the milestone Derby on May 4 ...