On Wednesday on Steve Byk's radio show "At the Races," while discussing the pedigree of Gl Runhappy Santa Anita Derby winner Rock Your World (Candy Ride {Arg}), I mentioned that the undefeated colt is suited for dirt despite beginning his career successfully with two wins on grass. In fact, Rock Your World, who earned a 100 Beyer Speed Figure on the main track, is bred to handle any surface and would probably be equally as adept on all-weather. Owned by Hronis Racing and Talla Racing and trained by John Sadler,...