BASEBALL American League * Chicago White Sox -- Recalled Sammy Sosa, outfielder, from Vancouver of the Pacific Coast League. Placed Mike Huff, outfielder, on the 15-day disabled list retroactive to Sunday, August 25.
Continental Basketball Association * Grand Rapids Hoops -- Signed Sean Tyson, forward.
* Rockford Lightning -- Acquired Gary Voce, guard, from the Tulsa Fast Breakers, for Tony Costner, guard.
Global Basketball Association * Greensboro City Gaters -- Signed Mike Smith, forward.
HOCKEY International Hockey League * San Diego Gulls -- Named Don Waddell coach and Andre Lacroix associate coach.