Just two years ago, Maryland-based horseplayer Rob Schutzman had only dreamed of owning a racehorse. But thanks to a little help from his wife Jill, he is now a part of the new ownership group Designated Hitters Racing, whose star 3-year-old My Friends Beer (Stay Thirsty) will start on Saturday in the first division of the GI Arkansas Derby. Jason Scott and Dan Heim were the original founders of the partnership. "Jason grew up near Pimlico and Dan is from Ocala," said Schutzman. "They both have a background in the...