Tom Izzo sees No. 12 Michigan State basketball getting tougher after beating No. 20 Illinois on Sunday, but also knows so will the Spartans' schedule.

The Illini center wasn't at his best but nevertheless came through on Sunday despite suffering from strep throat

Tom Izzo managed to beat his old friend Brad Underwood on Sunday as Michigan State basketball held on to beat Illinois at home. It was a tough, grind-it-out win over Illinois as the Spartans struggled to hit shots, but they did outperform Illinois at the free throw line and that was ultimately the difference.