Matt Brown
Northwestern running back Isaiah Bowser runs up field during a 34-yard touchdown run in the second half of an NCAA college football game against Iowa, Saturday, Nov. 10, 2018, in Iowa City, Iowa. Northwestern won 14-10. (AP Photo/Charlie Neibergall)
AP Top 25 Heat Check: After top-tier, parity reigns in poll

By Ralph D. Russo Nov. 12, 2018 02:56 AM EST