In a study of perseverance, Lagynos (c, 3, Kantharos--Steamy, by Speightstown), who has now run in 10 consecutive black-type events this year, finally got one to call his own when capturing the $300,000 GIII Commonwealth Turf Stakes Saturday at Churchill Downs. Last seen fifth in a troubled trip Oct. 26 in the GIII Bryan Station Stakes at Keeneland and seventh in the GIII Nashville Derby Aug. 31 at Kentucky Downs, Lagynos races for HRH Prince Sultan Bin Mishal Al Saud. "He deserved this win," said Hall of Famer Steve Asmussen....