No. 17 Cyclones rout Kansas St 45-0 behind Purdy's 3 TDs

Iowa State quarterback Brock Purdy (15) throws a pass during the first half of an NCAA college football game against Kansas State, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Kansas State quarterback Will Howard throws a pass during the first half of an NCAA college football game against Iowa State, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State running back Breece Hall (28) scores on a 21-yard touchdown run ahead of Kansas State defensive back AJ Parker (12) during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State linebacker Jake Hummel (35) breaks up a pass intended for Kansas State running back Deuce Vaughn, right, during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State tight end Charlie Kolar, left, celebrates with teammate Chase Allen, right, after catching a 6-yard touchdown pass during the first half of an NCAA college football game against Kansas State, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State quarterback Brock Purdy (15) breaks a tackle by Kansas State defensive back Kiondre Thomas (3) during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State quarterback Brock Purdy (15) leaps over Kansas State defensive back AJ Parker (12) during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State wide receiver Joe Scates (9) catches a 33-yard touchdown pass ahead of Kansas State defensive back Justin Gardner, right, during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Kansas State quarterback Will Howard, center, is tackled by Iowa State defenders Mike Rose (23) and Isheem Young (1) during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State running back Breece Hall (28) scores on a 33-yard touchdown run ahead of Kansas State linebacker Daniel Green (22) during the first half of an NCAA college football game, Saturday, Nov. 21, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)