The Spartans' 46 points were a season low, while the 16 Michigan State turnovers were the highest since it had 17 in a win at Indiana -- the last time Michigan State had its full lineup in place.
The Illini came out to a 19-7 lead early behind a flurry of shots led by Rayvonte Rice and Kendrick Nunn. Gary Harris helped lead the Spartans back though, as the Illini went without a field goal from the 8:56 mark to 3:44.
Harris had 11 first-half points to pull the Spartans even at 28-28 going into halftime. Schilling gave MSU its lone lead of the game with a dunk to open the second half, but the Spartans scored just 16 points the rest of the way.
Harris led the Spartans with 19 points, while Gavin Schilling tied his career-high seven in his first career start.
Branden Dawson checked into the game at the 17:52 mark of the first half, his first action after missing nine games. Hehad six points and seven rebounds.