After a 6-0 start, Army jumps four spots in our top-25 power ratings and is joined in the rankings by Navy, which remains undefeated as well, at the No. 24 spot. This is the first time since 1960 that both Army and Navy have been in the AP poll.

Notre Dame quarterback Riley Leonard (13) reaches out to stiff arm Stanford linebacker Gaethan Bernadel (0) during a NCAA college football game between Notre Dame and Stanford at Notre Dame Stadium on Saturday, Oct. 12, 2024, in South Bend. / MICHAEL CLUBB/SOUTH BEND TRIBUNE / USA TODAY NETWORK via Imagn Images

The big showdown in college football's Week 8 sees Penn State visit Ohio State. There's other showdowns on tap. Our expert picks for each Top 25 game.