Baseball

Baltimore Orioles -- Placed P Mark Williamson (3 innings, 4 hits, no earned runs) on the 15-day disabled list, retroactive to Thursday. Recalled P Alan Mills (0-1, 5.40 ERA, 1 save) from Triple-A Rochester.

Florida Marlins -- Signed P Don Lemon, P Deron Sample, P Mike Anderson, C George Baker, C Mike Taylor, IF Tim North, OF Pablo Delgado and OF Greg James.

Minnesota Twins -- Fired vice president of marketing Dave Moore, assistant to the president Jamie Lowe, novelty operations manager Tony Kriha and salesman Scott Erickson. Named Bill Mahre to oversee sales and marketing.

Basketball

Houston Rockets -- Placed F Matt Bullard on the injured list. Activated F John Turner from the injured list.

Colleges

Rutgers -- Announced the resignation of associate athletic director Bud Heilman.