UCF makes the top 10 in regards to best conf game winning percentage over the last decade since 2005.
Phil Steele breaks down those with the Top 15 best winning percentages:
http://www.philsteele.com/Blogs/2015/JULY15/DBJuly14.html
Top 15 (includes conf championship games...at least it does for UCF)
1. Boise State, 72-8 (90%) -- Mountain West and WAC
2. Ohio State, 71-11 (86%) -- Big Ten
3. Oregon, 73-18 (80.2%) -- Pac 10 and Pac 12
4. Alabama, 65-20 (76.5%) -- SEC
5. Oklahoma, 67-21 (76.1%) -- Big 12
6. TCU, 62-20 (75.6%) -- Mountain West and Big 12
7. Northern Illinois, 63-22 (74.1%) -- Mid-American
8. USC, 64-25 (71.9%) -- Pac 10 and Pac 12
9. Virginia Tech, 61-24 (71.8%) -- ACC
10. UCF, 60-24 (71.4%) -- Conference USA and American Athletic
11. East Carolina, 57-25 (69.5%) -- Conference USA and American Athletic
12. Florida State, 59-26 (69.4%) -- ACC
13. LSU, 58-26 (69.0%) -- SEC
14. Wisconsin, 57-26 (68.7%) -- Big Ten
15. Texas, 59-27 (68.6%) -- Big 12
Phil Steele breaks down those with the Top 15 best winning percentages:
http://www.philsteele.com/Blogs/2015/JULY15/DBJuly14.html
Top 15 (includes conf championship games...at least it does for UCF)
1. Boise State, 72-8 (90%) -- Mountain West and WAC
2. Ohio State, 71-11 (86%) -- Big Ten
3. Oregon, 73-18 (80.2%) -- Pac 10 and Pac 12
4. Alabama, 65-20 (76.5%) -- SEC
5. Oklahoma, 67-21 (76.1%) -- Big 12
6. TCU, 62-20 (75.6%) -- Mountain West and Big 12
7. Northern Illinois, 63-22 (74.1%) -- Mid-American
8. USC, 64-25 (71.9%) -- Pac 10 and Pac 12
9. Virginia Tech, 61-24 (71.8%) -- ACC
10. UCF, 60-24 (71.4%) -- Conference USA and American Athletic
11. East Carolina, 57-25 (69.5%) -- Conference USA and American Athletic
12. Florida State, 59-26 (69.4%) -- ACC
13. LSU, 58-26 (69.0%) -- SEC
14. Wisconsin, 57-26 (68.7%) -- Big Ten
15. Texas, 59-27 (68.6%) -- Big 12