SARATOGA SPRINGS, N.Y. – Sierra Leone turned in his penultimate work for the Belmont Stakes on Saturday over the Oklahoma training track at Saratoga, breezing five furlongs in 1:02.53 in company with Domestic Product, per Daily Racing Form. Shortly thereafter, trainer Chad Brown announced that Flavien Prat would replace Tyler Gaffalione aboard the Kentucky Derby runner-up in the final leg of the Triple Crown.