SARATOGA SPRINGS, N.Y. -- In his 35 years as a horse trainer, Brett Creighton has never once entered a horse in a Grade I race. There's a reason for that. "I just never had the opportunity I guess," the 62-year-old Creighton said in a matter-of-fact way through an easy Arkansas drawl as he stood on the backstretch at Saratoga Race Course. That all changes on Saturday when Creighton saddles Frost Free (Frosted), the best horse he's ever had, in the GI Woody Stephens S. at Saratoga, part of the blockbuster...