Monday 4/1/1960 : George Witt was sent down from the active roster to AAA . Jim Umbricht was promoted from AAA to the active roster. Dick Barone was sent down from the active roster to AAA . Mickey Vernon was sent down from the active roster to AAA . Mickey Vernon was sent down from AAA to A . Dick Barone was sent down from AAA to A . Joe Christopher was sent down from the active roster to AAA . Joe Christopher was sent down from AAA to A .