For teams across the NFL, there's nothing worse than working hard in practice all week long, only to put on underwhelming performances once Sunday arrives.
It's disheartening to watch for fans, and it feels like a bad dream for the players and coaches, but it happens to a handful of teams every week, without fail.
Here's a look at some of the teams that failed to live up to expectations in Week 9 of the 2012 season.
Carolina 21, Washington 13
Yeah, we knew Robert Griffin III would have a tough time winning with the Redskins' patchwork collection of players, but expectations for the Skins have risen since the football world saw how special a talent RGIII really is.
Unfortunately for Redskins fans, the team around him hasn't kept up with their star rookies in Griffin and running back Alfred Morris, and against a very mediocre Carolina Panthers team, Washington came up short when it counted.
The defense was porous, the offense was decidedly dysfunctional and it all added up to a very disappointing loss for Washington, as the Panthers headed into FedEx Field with just one win on the year.
Green Bay 31, Arizona 17
It's not as if the Cardinals were expected to beat Aaron Rodgers and the high-powered offense of the the Green Bay Packers. Arizona's performance was disappointing nonetheless, given that the team has dropped its last five games after starting the year 4-0.
At one point, the Cardinals appeared destined to grab a postseason berth, but after failing to score 20 points for the fifth consecutive game, they'll be hard-pressed to even stay in contention with another loss or two.
San Diego 31, Kansas City 13
On Thursday night, it was almost as if the 1-7 Chiefs beat themselves, as they turned the ball over far too many times, and that was ultimately what decided the game's outcome.
In the first half, after a promising 17-play drive, Dwayne Bowe's ill-timed fumble set the Chargers up for a field goal, but the real self destruction didn't go down until later in the game.
In the fourth quarter, with the Chiefs trailing by 11, a Matt Cassel fumble was returned for a touchdown, and just moments later, he was picked off by Demorrio Williams, who ran 59 yards to pay dirt, putting the game out of reach.
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