Following up on a giant, ‘TDN Rising Star’-worthy debut,Watson, Weitman and Pegram’s Cave Rock (Arrogate) made it a sweep of the weekend main-track juvenile Grade Is for his late sire and gave trainer Bob Baffert an unprecedented 16th victory in the GI Runhappy Del Mar Futurity. The final time of 1:20.99 for the seven furlongs breaks the previous stakes record of 1:21.29 set by future champion Declan’s Moon (Malibu Moon) set in 2004.