LOUISVILLE, Ky. - Trainer Todd Pletcher sat quietly in his office back in his barn just minutes after the conclusion of Saturday’s Kentucky Derby, watching the replay of the race several times and assessing the performances of his two starters, Tapit Trice and Kingsbarns, who finished, seventh and 14th. Tapit Trice raced at the rear of the field for nearly the opening six furlongs, while Kingsbarns shortened stride down the stretch after prompting the lively pace for more than a mile.