No. 18 Iowa's defense silences No. 17 Indiana, 34-6

Iowa quarterback Spencer Petras (7) scores on a 9-yard touchdown run during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Indiana quarterback Michael Penix Jr. (9) fumbles the ball during the first half of an NCAA college football game against Iowa, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa running back Tyler Goodson (15) scores on a 56-yard touchdown run during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa place kicker Caleb Shudak (10) kicks a 41-yard field goal during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa quarterback Spencer Petras (7) throws a pass during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive back Riley Moss (33) celebrates after returning an interception 30-yards for a touchdown during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive back Riley Moss (33) returns an interception 30-yards for a touchdown during the first half of an NCAA college football game against Indiana, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Indiana quarterback Michael Penix Jr. (9) throws a pass during the first half of an NCAA college football game against Iowa, Saturday, Sept. 4, 2021, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)