Malcolm Hill scored 21 points and Maverick Morgan had a double-double to lead Illinois to a 75-66 win over Missouri on Wednesday.
Morgan hit 7 of 8 free throws and finished with 19 points and 11 rebounds. Jalen Coleman-Lands scored 12.
The Illini (10-3) have won six in a row including the last four in the border series.
Kevin Puryear led Missouri (5-6) with 17 points. Terrence Phillips had 14 points and Jordan Geist added 12.
Illinois jumped out to a 15-5 lead and never trailed, holding off a pair of second-half rallies that saw Missouri pull within four points.
Michael Finke hit a 3-pointer to push the lead to 67-59 after the Tigers made it 63-59 just 79 seconds earlier.
Illinois hit 10 of its first 15 shots to take control early as Missouri missed 10 of its first 12.
Illinois has won 24 of 36 games since the series was moved to St. Louis.
>>TCU Routs Bradley
Desmond Bane scored 18 points and had seven rebounds as TCU never trailed in a 74-42 victory over Bradley on Wednesday night in the Horned Frogs' last game before opening Big 12 Conference play.
Bane had three 3-pointers for the Frogs (11-1), who are 9-0 at home this season. Brandon Parrish also had three 3s, all of his long-range shots coming in a 63-second span of the first half.
Koch Bar had eight points and nine rebounds for Bradley (5-8), which has lost three in a row and five of six. Bar was one of three Braves who finished with eight points.
The teams were a combined 3-of-14 shooting before Parrish hit a 3 with 14:22 left in the first half to put TCU up 8-2. After Parrish rebounded a Bradley miss, he made another 3-pointer. The senior guard then had a personal foul, but the Bulldogs missed both free throws and Parrish made yet another shot from beyond the arc to make it 14-2 at the 13:19 mark.
Karviar Shepherd had nine points and eight rebounds, while Kenrich Williams added 10 and eight for TCU.