Michigan State [15] has won three games in a row over hated-Michigan [16], but the current streak was preceded by the Wolverines taking six in a row over the Spartans from 2002-07.
Links:
[1] http://www.athlonsports.com/college-football/michigan-michigan-state-who-wins-paul-bunyan-trophy
[2] http://www.athlonsports.com/category/section/college-football
[3] http://www.athlonsports.com/category/cfb-conferences/big-ten
[4] http://www.athlonsports.com/category/cfb-players/denard-robinson
[5] http://www.athlonsports.com/category/cfb-players/jerel-worthy
[6] http://www.athlonsports.com/category/cfb-players/kirk-cousins
[7] http://www.athlonsports.com/category/cfb-players/leveon-bell
[8] http://www.athlonsports.com/category/cfb-teams/michigan-state-spartans
[9] http://www.athlonsports.com/category/cfb-teams/michigan-wolverines
[10] http://www.athlonsports.com/category/cfb-teams/notre-dame-fighting-irish
[11] http://www.athlonsports.com/category/miscellaneous/brady-hoke
[12] http://www.athlonsports.com/category/miscellaneous/legends-division
[13] http://www.athlonsports.com/category/miscellaneous/mark-dantonio
[14] http://www.athlonsports.com/category/miscellaneous/paul-bunyan-trophy
[15] http://stats.athlonsports.com/cfb/teamstats.asp?team=0030&report=teamhome
[16] http://stats.athlonsports.com/cfb/teamstats.asp?team=0029&report=teamhome