BASEBALL American League BALTIMORE ORIOLES -- Claimed Pat Clements, pitcher, on waivers from the San Diego Padres.
CALIFORNIA ANGELS -- Placed John Orton, catcher, on the 15-day disabled list. Recalled Ken Oberkfell, infielder, from Edmonton of the Pacific Coast League.
MILWAUKEE BREWERS -- Placed Dave Nilsson, catcher, on 15-day disabled list. Recalled John Jaha, infielder, from Denver of the American Association.
TEXAS RANGERS -- Fired Bobby Valentine, manager. Named Toby Harrah interim manager. Placed Julio Franco, infielder, on 15-day disabled list. Recalled Jeff Frye, infielder, from Oklahoma City of the American Association.