Over the last 20 years, the National Football League has repeatedly raised the bar for success in professional sports. One of the main reasons for this continued growth is simple: competitive parity.
Since 1996, the NFL is averaging a 50 percent turnover ratio in playoff teams from the prior season. That means that six of the 12 teams that make it this year wont make it the next. And no matter how bad your team was last year, your team could be heading to the show next season.
Here are five teams out, and five teams in for the 2013 NFL playoffs.