AP Top 25 Reality Check: How to use head-to-head results?

Notre Dame linebacker Jeremiah Owusu-Koramoah (6) celebrates sacking Southern California quarterback Kedon Slovis in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Georgia wide receiver Demetris Robertson (16) catches a pass for a touchdown as South Carolina defensive back R.J. Roderick (10) defends in the second half of an NCAA college football game Saturday, Oct. 12, 2019, in Athens, Ga. (AP Photo/John Bazemore)