Gold Square LLC's Cyberknife (Gun Runner) exited his win in Saturday's GI Arkansas Derby in fine shape and is expected to ship to Louisville Tuesday to continue preparations for the May 7 GI Kentucky Derby. The colt, who was making his second stakes appearance after a sixth-place effort in the Jan. 22 GIII Lecomte S., continued a trend of frisky behavior Saturday at Oaklawn when dumping jockey Florent Geroux in the post parade. "I was too far away to do anything about it, but Florent was able to jump up...