King Guillermo was declared out of the Sept. 5 Kentucky Derby (G1) after developing a fever, trainer Juan Carlos Avila announced via Twitter Sept. 3. The colt’s defection leaves a field of 17 for the 1 1/4-mile classic.
King Guillermo was declared out of the Sept. 5 Kentucky Derby (G1) after developing a fever, trainer Juan Carlos Avila announced via Twitter Sept. 3. The colt’s defection leaves a field of 17 for the 1 1/4-mile classic.