Purdue tries to plug leaky run defense with Nebraska up next

Iowa linebacker Jack Campbell, right, chases Nebraska quarterback Adrian Martinez (2) during the second half of an NCAA college football game, Friday, Nov. 27, 2020, in Iowa City, Iowa. Iowa won 26-20. (AP Photo/Charlie Neibergall)

Iowa running back Tyler Goodson (15) is tackled by Nebraska linebacker Luke Reimer, right, during the first half of an NCAA college football game, Friday, Nov. 27, 2020, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Rutgers quarterback Johnny Langan (21) runs against Purdue during the fourth quarter of an NCAA college football game in West Lafayette, Ind., Saturday, Nov. 28, 2020. (AP Photo/Michael Conroy)

Iowa defensive tackle Daviyon Nixon, left, tackles Nebraska wide receiver Wan'Dale Robinson during the first half of an NCAA college football game, Friday, Nov. 27, 2020, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Purdue running back Zander Horvath (40) cuts away from Rutgers defensive back Christian Izien (0) during the second quarter of an NCAA college football game in West Lafayette, Ind., Saturday, Nov. 28, 2020. (AP Photo/Michael Conroy)

Rutgers running back Isaih Pacheco (1) runs past Purdue cornerback Cam Allen (18) during the first quarter of an NCAA college football game in West Lafayette, Ind., Saturday, Nov. 28, 2020. (AP Photo/Michael Conroy)