University of Minnesota forward Trevor Mbakwe was jailed Monday for violating a harassment restraining order.  Police say Mbakwe was booked into Ramsey County Jail on misdemeanor charges for posting a message on a St. Paul woman's Facebook page.  The woman had previously filed a restraining order against him.  Bail was set at $500 and was posted.  University of Minnesota Athletic Director Joel Maturi released a statement saying until he knows all the facts he won't comment on the matter.  The 25th ranked Gophers host #8 Purdue at 6pm Thursday night, pregame on AM 1390-the Fan at 5:30.