No idea how this was tabulated so don't even try asking unless you know you're not going to be answered. Some Mike Clay on Tweeter posted this. Apparently Packers have best post-draft NFL roster.
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Originally Posted by: Zero2Cool
I noticed they didn't factor in STs... which was kinda the Packers biggest weakness.
As for tabulation, it's not difficult, other than grading each player, but supposedly that's what PFF does. So just take their their grade and plug into the formula.
But the number above the positions (like 28% is above QB) is how valuable is that position (according to PFF) to the teams overall success, and when you add them all up you get 100% .
So according to PFF, QB is 28% of a teams success, while TEs are only 4% and RBs are only 3%.
I think it's important to note, they have 58% of a teams success coming from the offensive side of the ball, and 42% on the defensive side.
Then below the position is PFF grade on a 4.0 scale ... so Packers QB is at 4.0 which means 100% great QB.
To get the averages on the right, you times the position value by the grade (so for QB is 28% * 4.0 = 1.12) and you do that for every position to find the value to the team and sum them up.
So a prefect total grade would be 4.0, prefect offensive grade would be 2.32 (as it's 58% of overall grade) and a prefect defensive grade would be 1.68.
To out it bluntly I'm terms of just Packers, they're finding this is where the Packers success is coming from
36.9% QB
13.1% CB
13.0% OL
9.0% DL
8.7% S
7.4% Edge
6.2% LB
3.1% RB
1.4% WR
1.2% TE
I mean, I know the Packers don't nessarily have clear studs at WR and TE, but combine for less than 3% just seems absolutely disrespectful.