Ohio State test gives Mertz chance to show how far he's come

Wisconsin's Graham Mertz (5) reacts after throwing a touchdown pass during the first half of an NCAA college football game against Washington StateSaturday, Sept. 10, 2022, in Madison, Wis. (AP Photo/Morry Gash)

Wisconsin's Graham Mertz (5) scrambles during the first half of an NCAA college football game against Washington State Saturday, Sept. 10, 2022, in Madison, Wis. (AP Photo/Morry Gash)

Wisconsin's Graham Mertz (5) thorws a pass during the first half of an NCAA college football game against Washington StateSaturday, Sept. 10, 2022, in Madison, Wis. (AP Photo/Morry Gash)

Wisconsin's Graham Mertz (5) runs past Washington State's Francisco Mauigoa (51) during the first half of an NCAA college football game Saturday, Sept. 10, 2022, in Madison, Wis. (AP Photo/Morry Gash)

Wisconsin quarterback Graham Mertz (5) throws during the first half of an NCAA college football game against the New Mexico State Saturday, Sept. 17, 2022, in Madison, Wis. (AP Photo/Morry Gash)

Wisconsin's Graham Mertz (5) thorws a pass during the first half of an NCAA college football game against the New Mexico State Saturday, Sept. 17, 2022, in Madison, Wis. (AP Photo/Morry Gash)