The Vikings lost center John Sullivan and safety Jamarca Sanford in their loss to Chicago Sunday.  Both players left with apparent concussions.  Phil Loadholt also left the game with a knee injury.  The status of all 3 players will be determined later this week.  The Vikings are 1-5 and will host 6-0 Green Bay Sunday at 3:15, pregame on WJON at 2:00.