BOXING

U.S.-Venezuela Amateur --

United States won the final five weight classes in Orlando, Fla., to gain a 7-4 victory. D.C.-area fighters James Harris at 106 pounds, Eugene Speed at 119 and Daryl Lattimore at 147 won; Lyndon Walker, 125, lost a 2-1 decision to Olympic bronze medalist Omar Catari. BASEBALL

Seattle Mariners -- Put LHP Mark Langston on 21-day DL, strained left elbow; called up RHP Robert Long from AAA Calgary. Pittsburgh Pirates -- Activated LHP Larry McWilliams from DL (shoulder strain); returned RHP Ray Krawczyk to AAA Hawaii. Texas Rangers -- Signed RHP Bobby Witt, first-round draftee from U. of Oklahoma; assigned him to Class AA Tulsa. Atlanta Braves -- Optioned IF Paul Zuvella (.171) to Class AAA Richmond. FOOTBALL

Dallas Cowboys -- Signed six-year LB Anthony Dickerson to a multiyear contract, ending a year's dispute during which he played out his option. Buffalo Bills -- Hired Elbert Dubenion to scout the East and Midwest. AUTOS

Pocono International Speedway -- Bill Elliott, for the third time this season join the NASCAR circuit, broke a track record in qualifying for a Grand National 500 race. Winning the pole for Sunday at Long Pond, Pa., he drove a Ford Thunderbird around the tri-oval at 152.563 mph. BASKETBALL

Cleveland Cavaliers -- F Phil Hubbard will have his sore left knee examined at the Cleveland Clinic, and arthroscopic surgery will be performed Tuesday if necessary. HOCKEY

Los Angeles Kings -- Agreed to terms with Michigan State LW Lyle Phair. COLLEGES

Southern California -- Announced mandatory drug testing in its athletic programs.