Auburn is looking to bounce back from its second loss of the season, while Arkansas still searches for its first SEC victory when the teams collide Saturday in Fayetteville, Ark.
Colorado is coming off its first Pac-12 victory while No. 15 Washington State is trying to bounce back after suffering its first overall loss, a humbling 37-3 setback at California last week.
TCU has gone from unranked in the preseason to No. 4 in the country and the only unbeaten team in the Big 12.
The rivalry between No. 11 USC and No. 13 Notre Dame stands as one of the most hallowed in college football, with a lineage that transcends individual season records.
University of South Florida coach Charlie Strong has been around great football programs before, so comparisons come rather easily for a man who has seen his share of undefeated starts.
Oregon State's Seth Collins, who has 12 catches for 130 yards and one touchdown in limited play this season, is out indefinitely with an undisclosed health issue.
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