Ragin' Cajuns beat No. 23 Iowa St 31-14; 1st Top 25 road win

Louisiana-Lafayette running back Chris Smith celebrates after returning a kickoff 95-yards for a touchdown during the first half of an NCAA college football game against Iowa State, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State quarterback Brock Purdy (15) throws a pass in front of Louisiana-Lafayette linebacker Jourdan Quibodeaux (43) during the first half of an NCAA college football game, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State running back Breece Hall (28) celebrates with teammates after scoring a touchdown during the first half of an NCAA college football game against Louisiana-Lafayette, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Iowa State quarterback Brock Purdy (15) throws a pass over Louisiana-Lafayette linebacker Ferrod Gardner during the first half of an NCAA college football game, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Louisiana-Lafayette quarterback Levi Lewis (1) runs from Iowa State defensive end JaQuan Bailey (3) during the first half of an NCAA college football game, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

An Louisiana-Lafayette fan watches from the stands during the first half of an NCAA college football game against Iowa State, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Louisiana-Lafayette running back Chris Smith, center, returns a kickoff 95-yards for a touchdown during the first half of an NCAA college football game against Iowa State, Saturday, Sept. 12, 2020, in Ames, Iowa. (AP Photo/Charlie Neibergall)