10. Tennessee Titans/Houston Oilers – 53 years
The Houston Oilers won the AFL title the first two seasons the team was a member of the league. Since its last title in 1961, the team’s championship drought has been lengthy.
9. Houston Astros/Houston Colt .45s – 53 years
Houston’s baseball franchise began in 1962 as the Colt .45s before becoming the Astros in 1965, they have reached the World Series only once in that time.