Business NFL playoffs: Why do we need wild cards, anyway?

The NFL playoffs get underway this weekend with a slate of four wild card games. Is it just a chance to extend the season or does the presence of wild cards improve the NFL playoffs?

Mike Stone/Reuters

The NFL playoffs got underway Saturday with the Cincinnati Bengals visiting the Houston Texans, and the New Orleans Saints hosting the Detroit Lions. Sunday, Eli Manning and the New York Giants face the Atlanta Falcons, while an injured Ben Roethlisberger and the Pittsburgh Steelers journey to take on Tim Tebow’s Broncos.