AP Top 25 takeaways: a Texas-USC classic; Nebraska flops

Any doubts about whether Clemson can win another national title were put to rest and Southern California and Texas played another classic. Before the defending national champions thumped Heisman Trophy winner Lamar Jackson and No. 14 Louisville and the Trojans survived the Longhorns on Saturday night, the theme of week three of the college football season was discontentment, especially in Nebraska.