Nebraska (10-6, 2-2 Big Ten) made four of four free throws in the final two minutes to seal the win. The Huskers shot and made just one free throw in the first 38 minutes of the game.
Illinois (11-6, 1-3) cut the Nebraska lead to six late in the game but struggled to hit shots. The Fightin' Illini made just 15 of 55 and didn't have a basket after the 3:14 mark until Aaron Cosby's short jumper with :14 left.
Nebraska took the first double-digit lead of the game on Petteway's 3-pointer with 16:48 left that put the Huskers up 34-24 with 16:48 remaining. But Illinois' Kendrick Nunn countered with a 3 on the Ilini's next possession.