The penalty was announced Thursday by the Commissioner's Office. The suspension is immediate.
Francis, 23, was batting .275 in 113 games for Burlington with 16 home runs and 66 RBIs. From Tallahassee, Fla., he was a 15th-round Draft choice in 2006.
Dick Kaegel is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.