Houston Astros -- Placed OF Terry Puhl on 15-day DL for the fourth time this season (hamstring) and called up OF Eric Bullock (.319 with Class AAA Tucson).

Texas Rangers -- Activated C Don Slaught, on DL since Aug. 9 (hamstring); placed IF Bill Stein on 15-day DL (back). Philadelphia Phillies -- Announced Jerry Koosman, the National League's oldest pitcher at 42, will not pitch again this season because of a chronic knee problem. Koosman (6-4, 4.62 ERA) was put on the DL Thursday. HOCKEY

Montreal Canadiens -- Traded C Ron Flockhart (27 points in 54 games) to St. Louis for RW Perry Ganchar, who was with Peoria of the International Hockey League last season. Toronto Maple Leafs -- Signed D-F Wendel Clark, their No. 1 draft pick, to a three-year deal reported to be worth more than $600,000. BOXING

Alexis Arguello, the former junior welterweight champion, will return to boxing tonight with a six-round "warmup" bout against Manuel Madero of Lowell, Mass. Arguello had retired in September 1983. OBITUARY Dick Wakefield, the former outfielder for the Detroit Tigers who was one of baseball's first high-priced bonus players, died yesterday in Detroit following a bout with cancer. He was 64. He signed for $52,000 in 1940 out of the University of Michigan, and as a rookie batted .316 and started on the American League All-Star team in 1943. His career average was .293. VOLLEYBALL

U.S.A. Cup -- The U.S. men's team took the lead in the series by defeating Cuba 15-9, 10-15, 15-6, 15-12, in Philadelphia. The Soviet Union beat China, 15-10, 15-11, 15-12, in an earlier match. The U.S. team (2-0) leads the series, followed by Cuba and the Soviet Union, each at 1-1, and China (0-2).