Joe Talmo

For a horse that has won the richest race in the world, Saturday's $250,000 GII Pat O'Brien S. at Del Mar might not seem like an overly difficult spot. But when Senor Buscador (Mineshaft) heads to the post for Saturday's race, he probably won't be the favorite and there will no doubt be some wiseguys who throw him out altogether. The problems are threefold: He's not a seven-furlong horse; he will not have run for 147 days; he'll be facing the best sprinter on the West Coast in the California-bred...