Note: Tuesday, March 1 is the deadline to contribute new sites to the matrix. If you've been in the matrix in years past, this deadline does not apply to you but you do need to let me know when you become active again. Thanks.
More shuffling after another tumultous weekend. Coming in are Michigan, after a road win over struggling Minnesota who falls out, and Boston College, which yo-yo's its way back in after a win over Virginia. They replace Colorado State after their loss to Air Force.