EAST RUTHERFORD NJ - DECEMBER 12: Mark Sanchez #6 of the New York Jets looks to pass against the Miami Dolphins at New Meadowlands Stadium on December 12 2010 in East Rutherford New Jersey. (Photo by Nick Laham/Getty Images)
I think it is important when evaluating a quarterback to take two views. The first is the here and now. The second is the longer term perspective. There is very little one can do to spin Mark Sanchez's play positively. He is play extremely poorly and is hurting the team. How is his long term development shaping up, though? Looking at some basic statistics, Mark's early career looks eerily similar to Eli Manning's.
Sanchez: 53.8 completion percentage, 0.6 TD/INT ratio, 63.0 rating
Manning: 48.2 completion percentage 0.66 TD/INT ration, 55.4 rating
Sanchez: 53.3 completion percentage, 1.33 TD/INT ratio, 74.2 rating
Manning: 52.8 completion percentage, 1.41 TD/INT ratio, 75.9 rating
None of this guarantees anything, but it's not all doom and gloom from the long term view.