When last seen in Grade I company at Keeneland, Hat Creek Racing's Percy's Bar (Upstart) crossed the wire an apparent open-lengths winner of the GI Darley Alcibiades S. last October, only to be demoted from the victory for causing interference and placed second. The $52,000 Keeneland September bargain was back in Lexington in Friday's opening-day feature, the GI Central Bank Ashland S., and with a rail-skimming run into the short stretch, Percy's Bar went on to an authoritative 2 1/4-length defeat of heavily favored Zany (American Pharoah). French Friction (City...