FILE - In this Sept. 22, 2012, file photo, Michigan's Roy Roundtree (21) is tackled by Notre Dame's Bennett Jackson during the first half of an NCAA college football game in South Bend,

 

              FILE - In this Sept. 22, 2012, file photo, Michigan
FILE - In this Sept. 22, 2012, file photo, Michigan's Roy Roundtree (21) is tackled by Notre Dame's Bennett Jackson during the first half of an NCAA college football game in South Bend, Ind. Nobody really knows how Notre Dame makes any of its decisions, though dropping a rivalry against the university that the Irish played their first football game ever against (Michigan) in 1887 would seem to be a mistake at first blush. (AP Photo/Darron Cummings, File)