ATHLETICS: Optioned P Roy Smith to Triple-A Sacramento. Assigned C Jeremy Brown to minor-league camp.
INDIANS: Acquired P Derrick Van Dusen from Rangers for IF Marshall McDougall.
PADRES: Optioned P Michael Nicolas to Double-A Mobile. Assigned P Kris Keller, IF Chris Sexton and IF Mario Valdez to minor-league camp. Acquired rights to IF Oscar Robles from Mexican League Oaxaca; invited him to spring training as nonroster player.