Sporting News staff reports Kirk Cousins has been named the starting quarterback for Michigan State's season opener Saturday against Montana State, but Keith Nichol will also play, the Detroit News reports.   "We'll allow him to get into a rhythm," Spartans coach Mark Dantonio said about Cousins, according to the report.   Cousins, a sophomore, saw time in five games last season and completed 32 of 43 passes. Nichol, a sophomore who sat out last season...