Having been nothing less than spectacular in two prior starts, 'TDN Rising Star' Verifire (Authentic) took his step up to stakes company with aplomb, taking Sunday's closing day Maxfield Stakes at Churchill Downs. A $1-million OBS March purchase for Resolute Racing after selling for $260,000 at Keeneland the previous September, the son of Authentic debuted with a TDN Rising Star-earning 6 1/4-length victory at Colonial Mar. 15. Pounded down to 1-20 favoritism in his return, he rolled home a 6 1/2-length winner over next out winner Saxton (Mosler) in a...