Where do we begin with Sanchez? Actually, let me first start with a tangent on New York Jets' offensive coordinator Tony Sparano.
Is it possible that Sparano is a quarterback career-killer? Sanchez actually had his best season statistically speaking in 2011, as it was other issues that killed the Jets' playoff chances. On top of that, he did lead New York to two AFC Championship berths in his first two years, which is pretty impressive.
Now his former offensive coordinator Brian Schottenheimer wasn't exactly the ideal offensive coordinator, but he is a shade better than Sparano, who has also coached Tony Romo and Chad Henne at the quarterback position.
Romo did lead the Cowboys to a 13-3 record with Sparano calling the plays in Dallas; however, Jason Garrett was the real passing game coordinator in Dallas that year. As for Chad Henne, he's been pretty good since taking over for Blaine Gabbert in Jacksonville (and will likely start off 2013 as the starting quarterback), but under Sparano in Miami, Dolphins fans wondered when he would ever "get" it.
So now Sparano is offensive coordinator for the New York Jets, and two out of three quarterbacks are on this list. Anyone notice a theme?
And let's not mention general manager Mike Tannenbaum's decision making this offseason.
With that said, Sanchez does deserve some responsibility for his fall. He's had chance after chance this season with the Jets, yet could never capitalize. Some thought he couldn't go lower than his butt-fumble against New England on Thanksgiving, but being benched in favor of Greg McElroy is likely the nail in the coffin.
By no means has Sanchez fallen the farthest of the players on this list (it's still Mike Vick), but his fall has been a fast one. The saving grace for him is that he is still a young player, and in the right system on the right team with the right coach, his career will likely be saved.