Split national championships in college football, using the AP and coaches polls:
2003: AP-Southern Cal, Coaches-LSU. (USC, No. 1 in the AP and coaches polls, beat No. 4 Michigan in the Rose Bowl; LSU, No. 2 in the polls, beat Oklahoma, No. 3 in the polls but No. 1 in the BCS, in the Sugar Bowl. The AP kept USC No. 1.)
1997: AP-Michigan, Coaches-Nebraska. (No. 1 Michigan beat No. 8 Washington State in the Rose Bowl; No. 2 Nebraska beat No. 3 Tennessee in the Orange Bowl. The coaches jumped Nebraska up).
1978: AP-Alabama, Coaches-Southern Cal. (No. 2 Alabama beat No. 1 Penn State in the Sugar Bowl; No. 3 USC beat No. 5 Michigan in the Rose. The coaches jumped USC up).
1974: AP-Oklahoma, Coaches-Southern Cal. (OU was on probation and ineligible in the coaches poll).
1973: AP-Notre Dame, Coaches-Alabama. (Coaches didn't vote after the bowl games; Notre Dame beat Bama in the Sugar Bowl.)
1970: AP-Nebraska, Coaches-Texas. (Coaches didn't vote after the bowl games; Texas lost to Notre Dame in the Cotton Bowl).
1965: AP-Alabama, Coaches-Michigan State. (Coaches didn't vote after the bowl games; Michigan State lost to UCLA in the Rose Bowl).
1957: AP-Auburn, Coaches-Ohio State. (Both votes held before the bowls; Auburn didn't play in a bowl, but Ohio State beat Oregon in the Rose Bowl).
1954: AP-Ohio State, Coaches-UCLA. (Both votes held before the bowls; Ohio State beat Southern Cal in the Rose Bowl; UCLA didn't play in a bowl).