The 2013 NFL season is creeping closer, but there is still plenty of time left for those trying to hang on to their primes to start showing their age.
There's a reason Father Time is undefeated. Eventually, players succumb to the inevitability of age, and their play declines.
Some players who were a late scratch for the "honor" of being included on this list were Terrell Suggs, Julius Peppers and Maurice Jones-Drew. They seemed more likely candidates to keep it going over the guys selected.
Being mentioned here isn't a death sentence. These players won't become totally worthless overnight; they’ll just see a decline in their effectiveness.
It’s impossible to play at the same level forever. Click through to see who this year's candidates are for aging players who will take a step back.