Hall of Fame trainer D. Wayne Lukas told the Oaklawn media team Friday morning that Caldera (Liam's Map) and American Promise (Justify) will make their next starts in Kentucky Derby prep races at Keeneland over the coming weeks. A $500,000 OBS March purchase by MyRacehorse, Caldera earned 10 points on the Road to the Kentucky Derby when finishing the narrow runner-up in the Sunland Park Derby Feb. 16, but he effectively lost all chance at the break of the Mar. 22 GII Louisiana Derby, stumbling and checking early before finishing...