Brisnet.com & Predicteform.com discuss the latest Kentucky Derby Championship Series action, including a preview of champion American Pharoah returning in the Rebel Stakes on Saturday, March 14, at Oaklawn Park, and a recap of last weekend's trio of graded stakes Triple Crown preps led by Dortmund in the San Felipe Stakes. TwinSpires' Ed DeRosa and Prediction Machine's Danny Zucker will also touch on the older filly & mare division with champion Untapable returning in the Azeri Stakes on the Rebel undercard and distaffers taking center stage in the weekend's only Grade 1 race, the Santa Margarita Stakes at Santa Anita Park.