by Tim Wilkin and Editorial Staff For the first time since before the GI Kentucky Derby, Mystik Dan (Goldencents), had a workout. And trainer Kenny McPeek is getting more and more confident that his colt, winner of the Derby and second in the GI Preakness, will be in the starting gate at Saratoga Race Course for the GI Belmont S. on June 8. Mystik Dan, with exercise rider Danny Ramsey aboard, went five furlongs in 1:01.59 (2/5) on the Oklahoma Training Track Saturday morning. He worked in company with Gould's...