BASEBALL American League
* BALTIMORE ORIOLES -- Signed Tim Layana, pitcher, to a contract with Rochester of the International League.
* TEXAS RANGERS -- Activated Julio Franco, second baseman, from the 15-day disabled list. Optioned Wayne Rosenthal, pitcher, to Oklahoma City of the American Association.
* PITTSBURGH PIRATES -- Recalled Dennis Lamp, pitcher, and Don Slaught, catcher, from Buffalo of the American Association.
* SAN FRANCISCO GIANTS -- Placed Mark Leonard, outfielder, on the 15-day disabled list. Activated Kevin Bass, outfielder, from the 15-day disabled list.
* SPORTSMAN'S PARK -- Suspended trainer Wayne Catalano for 15 days for violating a state medication rule.