... Lions) on Sunday, Aaron Rodgers sustained his second concussion of the season late in the second quarter.

He was not able to return to the game and had to watch from the sideline as the Packers dropped to 8-5. Fortunately for Green Bay, the New England Patriots destroyed the Chicago Bears on Sunday by a score of 36-7.

Now, the Packers find themselves in a difficult situation. They are one game back in the NFC North and one game behind the New York Giants in the wild card race.

The Packers' playoff hopes went from good to bad in the course of one week.

Here, we'll take a look at five reasons the Green Bay Packers won't make the 2010 NFL Playoffs.

Bleacher Report - NFL