12. Buffalo Bills – 48 years

Buffalo-bills

The Buffalo Bills got their start in the AFL, where they won two consecutive titles in 1964 and 1965.

11. San Diego Chargers/Los Angeles Chargers – 51 years

san-diego-chargers

The San Diego Chargers have a long championship drought that goes back to the AFL days, where the Chargers won their last title in 1963.