No. 19 Michigan prepares for tough test against No. 14 Iowa
Iowa head coach Kirk Ferentz watches from the sideline during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa head coach Kirk Ferentz watches from the sideline during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Sep. 28, 2019 03:59 PM EDT
FILE - In this Saturday, Sept. 7, 2019. file photo,Michigan head coach Jim Harbaugh wears his headset on the sidelines in the first quarter of an NCAA football game against Army in Ann Arbor, Mich. Michigan is heading into the first really big Big Ten game of the season. The Wolverines face No. 13 Wisconsin in Madison on Saturday, Sept. 21, 2019. (AP Photo/Tony Ding, File)

FILE - In this Saturday, Sept. 7, 2019. file photo,Michigan head coach Jim Harbaugh wears his headset on the sidelines in the first quarter of an NCAA football game against Army in Ann Arbor, Mich. Michigan is heading into the first really big Big Ten game of the season. The Wolverines face No. 13 Wisconsin in Madison on Saturday, Sept. 21, 2019. (AP Photo/Tony Ding, File)

Sep. 18, 2019 04:18 PM EDT