sentences:  By the end of the 1920s, Pesek had begun turning his focus towards racing greyhounds, and on of his Nebraska farm he built up one of the nation's leading stables.He won several national titles, and the pedigree of one of his greatest dogs, Australian-born "Just Andrew", could be found in 95 percent of American greyhound stock by 1975.Pesek continued to appear occasionally in exhibition matches through the 1950s, long enough to wrestle on the same card as son Jack, who would go on to enjoy a lengthy wrestling career of his own.