Northern Iowa running back Dom Williams (7) eludes a tackle by Iowa State linebacker Mike Rose (23) during the first half of an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State linebacker O'Rien Vance (34) celebrates sacking Northern Iowa quarterback Will McElvain during the first half of an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State running back Breece Hall (28) leaps as he runs the ball as he is tackled by Northern Iowa defensive lineman Caden Houghtelling (93) and linebacker Spencer Cuvelier (41) during the first half of an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State wide receiver Xavier Hutchinson (8) pulls in a reception for a first down during the first half of an NCAA college football game against Northern Iowa, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State running back Breece Hall (28) runs the ball as he eludes a tackle by Northern Iowa defensive back Jevon Brekke (0) during the first half of an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State quarterback Brock Purdy (15) sends a pass downfield during the first half against Northern Iowa in an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Northern Iowa head coach Mark Farley talks with Northern Iowa defensive back Jevon Brekke (0) during the first half of an NCAA college football game against Iowa State, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State wide receiver Xavier Hutchinson (8) is tackled by Northern Iowa linebacker Alfonzo Lambert (40) during the first half of an NCAA college football game, Saturday, Sept. 4, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)