Mackinnon

With only a field of five newly turned 3-year-olds signed on, Hall of Famer Bob Baffert will saddle a pair of imposing runners in Saturday's GIII Sham S. going a two-turn mile at Santa Anita. Rockefeller (Medaglia d'Oro) returns to the West Coast for Baffert after securing a front-running victory in Belmont's one-turn mile GIII Nashua S. Nov. 7. The $750,000 KEESEP yearling was previously fourth behind his unbeaten GI Breeders' Cup Juvenile-winning stablemate Corniche (Quality Road) in the GI American Pharoah S. Oct 1. Rockefeller is the 8-5 morning-line...