Where's the pressure coming from?

Earlier, we looked at the amount of pressure opposing teams have put on the Patriots this season. Now we dig deeper and take a look at who exactly that pressure is being generated against (and who is doing the best job keeping quarterback Tom Brady's jersey clean).

With help from analytical site Pro Football Focus, below is a chart of the sacks, hits, and pressures allowed by players currently on the Patriots' roster (departed players like Thomas Welch and Dan Gronkowski are not listed). Keep in mind that there are times that PFF assigns blame to Brady himself on sacks for not delivering the ball in a timely manner (PFF graded three of New England's 20 sacks allowed this season that way). Also included are PFF's pass block snaps, giving you an idea of how many chances each player has had in pass protection: