No. 16 Michigan aims to fine tune shaky offense at Illinois

Illinois quarterback Brandon Peters (18) passes against Minnesota in the first quarter of an NCAA college football game Saturday, Oct. 5, 2019, in Minneapolis. (AP Photo/Bruce Kluckhohn)

Michigan head coach Jim Harbaugh signals to game officials from the sideline in the second quarter of an NCAA college football game against Iowa in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Tony Ding)

Michigan quarterback Shea Patterson (2) flicks a pass in the first quarter of an NCAA college football game against Iowa in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Tony Ding)

Illinois head coach Lovie Smith watches as his team plays against Minnesota in the third quarter of an NCAA college football game Saturday, Oct. 5, 2019, in Minneapolis. (AP Photo/Bruce Kluckhohn)