Nik Stauskas scored 24 points and No. 12 Michigan shot 70 percent from the 3-point line to win its first Big Ten title outright since 1986 with an 84-53 victory over Illinois on Tuesday night.
The Wolverines (22-7, 14-3 Big Ten) were 16 of 23 from 3-point range, including Stauskas' career-high seven.
Michigan had the game in hand by halftime with a 52-30 lead. The Wolverines hit five straight 3-pointers midway through the half to break the game open. The 15-point run turned widened Michigan's 20-17 lead to a comfortable 32-17.
Caris LeVert added 15 points for Michigan.
The Illini (17-13, 6-11) had won three straight and had held four straight opponents to fewer than 50 points. The loss was their worst at home in the 51-year history of the arena now called the State Farm Center.
Rayvonte Rice led Illinois with 16 points.