College football's opening weekend shakes up AP Top 25 poll

Texas upset Alabama in Austin, vaulting the Longhorns in the rankings.
Georgia, Michigan, Ohio State and Florida State remain in the top 5 after winning convincingly.
Georgia extends nation's longest win streak to 19 games after routing Oregon.
Texas QB Quinn Ewers had an impressive debut with 225 yards and 2 TDs vs Alabama.
USC's Caleb Williams threw 3 TDs in one half of action in rout of Rice.