Disappointment is inevitable in every college football season. Although we can spend more than eight months preparing for the next year and usually are fairly certain what to expect, a highly regarded team will occasionally have a bad season.

And sometimes, it's straight-up disastrous.

During the last two decades, many perceived national title contenders have fallen out of the race in a matter of weeks. Worse yet, though, several of them kept on losing.

All of the teams highlighted held a Top 10 preseason ranking but ended well short of their expectations.

T-8. 2009 Oklahoma Sooners and 2017 Florida State Seminoles

Because of injuries at quarterback, 2009 Oklahoma and 2017 Florida State require an asterisk.