Trainer Steve Asmussen says he decided to go with Rosario because the jockey won last year's Kentucky Derby aboard Orb.
Tapiture is early favorite for Arkansas Derby →
"Right now, I think that our responsibility is the preparation for an opportunity like this," Asmussen said. "We take that very seriously. Hopefully, though, it will have a time and a place that our responsibilities allow it."
Asmussen's Tapiture the favorite at Arkansas Derby →