Magnitude

TDN's Senior Racing Editor Steve Sherack handicaps Saturday's GIII Iroquois Stakes and GIII Pocahontas Stakes at Churchill Downs. GIII Pocahontas (Race 8) - Pretty Sure (#6) broke her maiden like a filly with a future, making a sustained four-wide rally on the far turn en route to a dominating come-from-behind debut score for Brendan Walsh going six furlongs at Ellis Park Aug. 25. She obviously lacks seasoning and faces a very tough group in this deep renewal of the Pocahontas--headed by deserving favorite Kimchi Cat (#13)--for just her second career...