a 28−21 victory over No. 6 Penn State. The poll featured No. 1 USC, No. 2 Oklahoma, No. 3 Colorado, No. 4 Ohio State, and No. 5 Tennessee. September 23: No. 1 USC won 55–20 at Illinois, and No. 2 Oklahoma crushed Oregon 68–3. No. 3 Colorado won 38–6 at Minnesota, No. 4 Ohio State was idle, and No. 5 Tennessee beat Wake Forest 45–6. The next poll featured No. 1 USC, No. 2 Oklahoma, No. 3 Colorado, No. 4 Tennessee, and No. 5 Ohio State. September 30: No. 1 USC played another Big Ten opponent, beating Michigan State 51–6 at the Coliseum in Los Angeles. No. 2 Oklahoma beat Clemson 52–3, having outscored its first three opponents 169–6. No. 3 Colorado lost 31–6 at Oklahoma State, and No. 4 Tennessee lost 10–6 to Auburn in Birmingham. No. 5 Ohio State beat North Carolina 29–14. No. 6 Alabama beat Vanderbilt 48–21, and No. 8 Michigan defeated Tulane 41–7. The next poll featured No. 1 USC, No. 2 Oklahoma, No. 3 Ohio State, No. 4 Alabama, and No. 5 Michigan. October October 7: No. 1 USC won 30–21 at No. 15 Stanford; the nine-point margin of victory would turn out to be the closest of their season. No. 2 Oklahoma was idle, and No. 3 Ohio State won 35–18 at California. No. 4 Alabama won 25–7 at Georgia and No. 5 Michigan beat Navy 35–7. The next poll featured No. 1 USC, No. 2 Oklahoma, No. 3 Alabama, No. 4 Ohio State, and No. 5 Michigan. October 14: No. 1 USC went back to winning big, 42–14 over California. No. 2 Oklahoma shut out their rival, No. 10 Texas, 27–0 at Dallas. No. 3 Alabama beat Florida 24–7. No. 4 Ohio State beat Illinois 25–7, and No. 5 Michigan blanked Michigan State 10–0, but dropped to sixth in the next poll. No. 6 Nebraska, which rolled over Missouri 62–0, moved up a spot. The top four remained the same. October 21: No. 1 USC beat No. 18 Washington 34–7, but No. 2 Oklahoma yielded its first touchdown of the season at No. 9 Colorado, and eventually fell 20–14. No. 3 Alabama won at No. 10 Tennessee 17–10, No. 4 Ohio State won at Wisconsin 28–20, and No. 5 Nebraska won 56–0 at Kansas. No. 6 Michigan won 31–7 at Illinois and returned to the top five. The next poll featured No.