The Illini's recent surge hasn't won over oddsmakers. At least heading into Saturday's game against struggling Michigan State.
The Spartans have opened as a 13 1/2-point favorite, according to VegasInsider.com.
Illinois has won three Big Ten games in a row for the first time since 2007 and is on the cusp of bowl eligibility.
Michigan State is 4-4 and riding a three-game losing streak.