BASEBALL American League * AL -- Suspended Skeeter Barnes, Detroit outfielder, for three games for charging the mound during a game against Seattle on July 22.
National League * LOS ANGELES DODGERS -- Released Juan Samuel, second baseman. Recalled Eric Young, second baseman, from Albuquerque of the Pacific Coast League.
National Basketball Association * NEW JERSEY NETS -- Signed Dan O'Sullivan, center, to a one-year contract.
* PHILADELPHIA 76ERS -- Named Mike Abdenour trainer.
* SAN ANTONIO SPURS -- Signed Vinny Del Negro, guard, to a multiyear contract.
Global Basketball Association * COMMISSIONER'S OFFICE -- Announced the 1992-93 All-Star Game will be held at the Mississippi Coast Coliseum in Biloxi, Miss.
* NFL ALUMNAI -- Named Charles V. Lavery exeutive director and chief executive office. National Football League * SAN FRANCISCO 49ERS -- Signed Mike Sherrard, wide receiver, to a one-year contract.
National Hockey League J8
* NEW YORK RANGERS -- Signed John Vary, defenseman.
* WORLD TEAMTENNIS LEAGUE -- Announced Kansas City will enter a team in the league for the 1993 season.
* CENTRAL CONNECTICUT STATE -- Named Rusty Dunne quarterbacks and special teams coordinator; Pat Morrison defensive secondary coach, and Tom Silvanic defensive line coach.
* NATIONAL FOOTBALL FOUNDATION AND COLLEGE FOOTBALL HALL OF FAME -- Named Gene Corrigan chairman of the College Football Hall of Fame Honors Court.
* ST. JOHN'S -- Named Joseph Masi basketball radio play-by-play announcer.