Saturday's GII Pat O'Brien Stakes at Del Mar was billed as a showdown between the top sprinter in the West, two-time GI Bing Crosby Stakes winner The Chosen Vron (Vronsky), and Senor Buscador (Mineshaft), winner of the world's richest race, the $20-million G1 Saudi Cup. The Chosen Vron toted a gaudy six-race win steak, while Senor Buscador was returning from a break after finishing third in the G1 Dubai World Cup. Despite the headlines, apparently Mark Davis and Great Friends Stable's Raging Torrent (c, 3, Maximus Mischief-Violent Wave, by Violence),...