BASKETBALL National Basketball Association
* LOS ANGELES CLIPPERS -- Signed Tharon Mayes, guard, to a 10-day contract.
* PHILADELPHIA 76ERS -- Activated Mitchell Wiggins, guard, from the injured list. Placed Brian Oliver, guard, on the injured list.
Continental Basketball Association
* RAPID CITY THRILLERS -- Signed Fred Cofield, guard.
FOOTBALL National Football League
* CINCINNATI BENGALS -- Signed Randy Kirk, linebacker-long snapper.
* LOS ANGELES RAMS -- Signed Blair Bush, center.