For a season that seemed like it wouldn't even happen six months ago, 2011 was definitely one of the most memorable in recent NFL history. Sure, there was the success of teams like the defending champion Packers going 15-1 and sleepers like the 49ers and Lions making the playoffs for the first time in several years, but what about the underachievers? Squads like the "Dream Team" Eagles and the Super Bowl-destined Jets that failed to live up to expectations.

And although football is a team sport, we're taking a look at the individual players and coaches whose gaffes made for some hilariously entertaining moments. We've included everything from ridiculous acting jobs (we see you, Deon Grant) to the coach who iced his own kicker and cost his team a chance at the playoffs (hint: he may or may not look something like the guy in the photo above). So, as you get ready for the upcoming Wild Card round this weekend, take a look back at The 20 Biggest Fails of the 2011 NFL Season...