EAST LANSING (AP) -- Kirk Cousins threw for 273 yards and three touchdowns in just over a half and No. 12 Michigan State clinched a spot in the inaugural Big Ten championship game with a 55-3 rout of Indiana on Saturday.

The Spartans entered the game with a one-game lead in the Legends Division over both Nebraska and Michigan, who were playing at the same time in Ann Arbor. When the Wolverines won, it locked up the division for Michigan State (9-2, 6-1 Big Ten) because of its 28-14 win over Michigan on Oct. 15.

Cousins hit B.J. Cunningham for a 7-yard touchdown on Michigan State's first possession of the second half, giving the Spartans a 41-3 lead. He left on the next possession.

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