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Pocket Presence: 8/10
Relatively invincible when pass rushes come from the outside, Stafford has shown a knack for hitting complex throws even while getting hit. However, he takes too many hits because he tends to stick his feet in one place and does not often reset once he moves. This is especially noticeable from interior pressure.
This is probably the most noticeable flaw in Stafford's game, yet also the one easily masked by the presence of Calvin Johnson. Lions receivers have struggled with drops in the past few seasons, and some of fault has to lie with Stafford, who struggles with consistent placement on throws long, short, outside and over the middle.
Mechanically speaking, he is the most maddening quarterback on this list. His arm slot, footwork and read progression all break down at times with little rhyme or reason. Stafford's struggles with consistency trace back to Georgia, where he often ran hot and cold. He has not improved this facet of his game, and it leaves many questioning if he ever will.
Stafford has better athleticism than he is often credited for and can pick up yardage with his legs when he is so inclined (though that is rarely the case).
He also gets high marks for the ability to up his game in the fourth quarter, where he is almost always fantastic whether it leads to a Lions victory. Yet many of those holes he's digging himself out of are by his own design, and he has not shown that he can be depended upon to lead a team without plenty of help.
Arm Strength: 10/10
After Joe Flacco, Stafford has the strongest arm in the NFL. He can throw intermediate routes outside the hashes side-armed and has hit deeper routes off his back foot. The sheer strength of his arm has been both a blessing and a curse for the Lions.
If one was building prototypical pocket passers, it's likely that everything below the neck would come right from Matthew Stafford. Just like Newton, he has the potential to be great but clearly needs more help than he's been given.
Often left out of the "great young passer" group, Stafford just had his 25th birthday and has some time (though not much of it) to develop his acquired talents above the shoulders.