Denicos Allen returned a fumble 45 yards for a touchdown, and Michigan State's offense finally added an insurance score in the fourth quarter of a 14-0 win over Purdue on Saturday.
The Spartans didn't make it past the Purdue 32-yard line until the fourth, when receiver Tony Lippett threw a 5-yard touchdown pass to Andrew Gleichert on a trick play.
Michigan State (6-1, 3-0 Big Ten Conference) remains atop the Legends Division but clearly has work to do with the toughest part of its schedule still to come.
Purdue (1-6, 0-3) kept it close after being routed by Wisconsin and Nebraska in its first two conference games, but Paul Griggs missed two field goals.
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