MILEPOSTS—CONVICTED: By a Nassau County, N.Y. jury, racetrack veterinarian DR. MARK GERARD, 44, of two misdemeanor charges stemming from the Belmont Park ringer scandal in which one horse, Uruguayan champion Cinzano, was substituted for another, Lebon, in two races. Each conviction carries a maximum one-year prison sentence. The jury, however, did not convict Gerard on charges of grand larceny, falsifying business records and filing a false insurance claim.
RESIGNED: RALPH HOUK, 59, as manager of the Detroit Tigers, effective at the end of the season. A Yankee catcher for eight seasons, Houk managed in the major leagues for 16 years, 11 with the New York Yankees and five with the Tigers. Succeeding Casey Stengel as Yankee manager in 1961, he won three pennants and two world championships his first three years. LES MOSS, 53, manager of Detroit's Triple-A Evansville Triplets, will replace Houk.
DIED: California Angels Outfielder LYMAN BOSTOCK, 27; of gunshot wounds; in Gary, Ind. Bostock was sitting in a car when he was struck in the head by a shotgun blast. The Angels had played the White Sox in an afternoon game, and Bostock had driven from Chicago after the game to see his relatives. At the time of his death he was hitting .296 with five home runs and 71 RBIs. A free agent who became one of baseball's best hitters while with the Minnesota Twins, Bostock signed with the Angels last November for an estimated $2.7 million. In four seasons with the Angels and Twins he had a career batting average of .312.