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Perfect Starts
| Season | 4-0 | 5-0 | 6-0 | 7-0 | 8-0 | 9-0 | 10-0 | 11-0 | 12-0 | 13-0 | Lost To/Tied | Final |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | X | X | X | X | 48-41 at Kansas State | |||||||
| 2018 | X | X | 48-45 vs #19 Texas | 12-2 | ||||||||
| 2017 | X | 38-31 vs Iowa State | 12-2 | |||||||||
| 2015 | X | 24-17 vs Texas | 11-2 | |||||||||
| 2014 | X | 37-33 vs #25 TCU | 8-5 | |||||||||
| 2013 | X | X | 36-20 vs Texas | 11-2 | ||||||||
| 2011 | X | X | X | 41-38 vs Texas Tech | 10-3 | |||||||
| 2010 | X | X | X | 36-27 at #18 Missouri | 12-2 | |||||||
| 2008 | X | X | 45-35 vs #5 Texas | 12-2 | ||||||||
| 2007 | X | 27-24 at Colorado | 11-3 | |||||||||
| 2004 | X | X | X | X | X | X | X | X | X | 55-19 vs #1 USC (Orange) | 12-1 | |
| 2003 | X | X | X | X | X | X | X | X | X | 35-7 vs #13 Kansas State (Big 12) | 12-2 | |
| 2002 | X | X | X | X | X | 30-26 at Texas A&M | 12-2 | |||||
| 2001 | X | X | X | X | 20-10 at #3 Nebraska | 11-2 | ||||||
| 2000 | X | X | X | X | X | X | X | X | X | X* | NA | 13-0 |
| 1993 | X | X | 27-10 vs #20 Colorado | 9-3 | ||||||||
| 1991 | X | 10-7 vs Texas | 9-3 | |||||||||
| 1990 | X | X | 14-13 vs Texas | 8-3 | ||||||||
| 1987 | X | X | X | X | X | X | X | X | 20-14 vs #2 Miami-FL (Orange) | 11-1 | ||
| 1984 | X | 15-15 vs #1 Texas | 9-2-1 | |||||||||
| 1979 | X | 16-7 vs #4 Texas | 11-1 | |||||||||
| 1978 | X | X | X | X | X | X | 17-14 at #4 Nebraska | 11-1 | ||||
| 1977 | X | 13-6 vs #5 Texas | 10-2 | |||||||||
| 1976 | X | 6-6 vs #16 Texas | 9-2-1 | |||||||||
| 1975 | X | X | X | X | X | 23-3 vs Kansas | 11-1 | |||||
| 1974 | X | X | X | X | X | X | X | X* | NA | 11-0 | ||
| 1972 | X | 20-14 at #9 Colorado | 11-1 | |||||||||
| 1971 | X | X | X | X | X | X | 35-31 vs #1 Nebraska | 11-1 | ||||
| 1966 | X | 38-0 vs #1 Notre Dame | 6-4 | |||||||||
| 1957 | X | X | X | X | 7-0 vs Notre Dame | 10-1 | ||||||
| 1956 | X | X | X | X | X | X | X* | NA | 10-0 | |||
| 1955 | X | X | X | X | X | X | X | X* | NA | 11-0 | ||
| 1954 | X | X | X | X | X | X | X* | NA | 10-0 | |||
| 1950 | X | X | X | X | X | X | X | 13-7 vs #7 Kentucky (Sugar) | 10-1 | |||
| 1949 | X | X | X | X | X | X | X | X* | NA | 11-0 | ||
| 1938 | X | X | X | X | X | X | X | 17-0 vs #2 Tennessee (Orange) | 10-1 | |||
| 1920 | X | X | 7-7 at Kansas State | 6-0-1 | ||||||||
| 1918 | X | X | X* | NA | 6-0 | |||||||
| 1915 | X | X | X | X | X | X | X* | NA | 10-0 | |||
| 1914 | X | 32-7 vs Texas | 9-1-1 | |||||||||
| 1911 | X | X | X | X | X* | NA | 8-0 | |||||
| Totals | 41 | 29 | 23 | 20 | 17 | 14 | 12 | 7 | 3 | 1 |