It is hardly a news flash that the play of the New York Giants offensive tackles -- especially after Will Beatty was lost for the season -- left a lot to be desired. Pro Football Focus offers another measuring stick for how poor the tackle play was with its look 2011 Pass Blocking Efficiency for offensive tackles.
Diehl rated worst in pass blocking efficiency of the 75 tackles who played at least 200 snaps. Read the PFF post for the full formula, but it breaks down like this for Diehl. In 246 pass block snaps at left tackle Diehl surrendered four sacks, six quarterback hits and 20 pressures for a total of 30 pressures. His efficiency rating, per PFF's formula, was 90.4. Diehl also ranked toward the bottom of the league in PBE during the 2010 season. That would be one of the reasons the Giants tried to play him at guard in 2011.
McKenzie rated 63rd, allowing 59 pressures in 626 pass blocking snaps, a rating of 92.7. In 2010, McKenzie was among the best in the league in this category.
Beatty was not great when it came to the PBE rating, scoring 50th overall with a 93.6 rating. That, however, is an improvement over the work of Diehl and McKenzie.
Consider this just another piece of evidence to support the belief that the Giants need to find way to upgrade their offensive line this offseason.