There are many factors that make football the best sport in the world. One of them is parity.

Through the salary cap and the draft, the league maintains a certain level of balance. Never has this been more evident than when comparing the 2011 season to the 2012 season.

In 2011, the Colts (2-14), Vikings (3-13), and Redskins (5-11) were some of the worst teams in the league, but all went on to make the playoffs in 2012. The Rams, who tied the Colts for the league’s worst record in 2011, also improved to a more respectable 7-8-1.

But, of course, for some teams to rise up, others must fall. In contrast to teams like the Colts and Vikings, the Saints and Lions, playoff teams in 2011, both won six fewer games in 2012, finishing at 7-9 and 4-12. The 2011 Super Bowl champion New York Giants didn’t even make the playoffs in 2012.

That’s parity.

So what squads that made the postseason this year won’t find the same success in 2013? Here are five teams that won’t return to the postseason next year.