Miesque's Son, a full brother to the excellent young sire Kingmambo, was represented by his first winner as a sire when Mr. Miesque came from off the pace to win a 5 1/2-furlong maiden race at Lone Star Park by 2 1/4 lengths. Mr. Miesque is out of the Medieval Man mare Klassy Briefcase and was bred in Maryland by Elk Manor Farm. He completed the race in 1:05.06 over a fast track, earning $16,200 for owners Martin Racing Stable and Betty Massey.In nine career starts, Miesque's Son (Mr. Prospector--Miesque, by Nureyev) won one race, the Prix de Ris-Orangis (Fr-III). He finished second in both the Prix Maurice de Gheest (Fr-I) and Prix de la Foret (Fr-I) and retired with earnings of $134,323. His first foals are 2-year-olds of 2000. Miesque's Son stands at Three Chimneys Farm outside Midway, Ky. for a fee of $10,000.Brad Anderson's Beraducci won the fourth race at Thistledown Sunday to become the first winner for freshman sire Golden Gear. Beraducci completed the five-furlong sprint in 1:00.66 over a sloppy track. He was bred in Ohio by Harold Fishman and is out of the Vanlandingham mare Van Van.Golden Gear (Gulch--Finenza, by Lypheor) won 12 of 26 career races and retired in 1996 with earnings of $634,009. He won the 1995 Commonwealth Breeders' Cup Stakes and the Equipoise Mile Handicap in 1996. In 1995 he set a Remington Park track record for seven furlongs, covering the distance in 1:20.04. He stands at Mill Ridge Farm near Lexington, Ky. for an advertised fee of $7,500.