Native Diver

Sophomore turfers will enjoy the spotlight in the GIII Commonwealth Turf Stakes at Churchill Downs, one of three graded stakes races on tap Saturday. Frankly Speaking homebred Dashman (Oscar Performance) won two straight in Kentucky this summer, then was a solid fourth with trouble behind MGISW Carson's Run (Cupid) and next-out GIII Hill Prince Stakes winner and 'TDN Rising Star' Deterministic (Liams' Map) in the GIII Jockey Club Derby Invitational going 1 3/8 miles at Aqueduct Oct. 5. The 5-2 morning-line favorite turns back to 1 1/16 miles here. "He...