Mexican Gold

7th-Churchill Downs, $124,570, Alw (NW1X), Opt. Clm ($100,000), 6-19, 3yo, 7f, 1:21.65, ft, 5 lengths. PURE FORCE (c, 3, Constitution--Mexican Gold {GSW & G1SP-Fr, GSP-US, $234,810}, by Medaglia d'Oro) debuted in the Derby Day opener going 6 1/2 furlongs over a muddy strip and raced a bit greenly through the closing stages, but stamped his authority over seven rivals with a 2 1/4-length victory. That effort would otherwise have made him strictly the one to beat in a first-level allowance, but the presence of 'TDN Rising Star' Discreet Mischief (Into...