The sad truth for poor old Alex is that the NFL has caught up with a lot of his zone-blocking scheme. He needs to invent something else pretty quickly, or people are going to start catching onto this guy.
Zone blocking worked when defensive tackles were big fat guys and linebackers didn't run like safeties. In a bigger, faster, more aggressive NFL, zone blocking may be as meaningful as a Brett Favre retirement.
http://blogs.chron.com/sportsjustice...ortsJustice%29
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The Chronicles Richard Justice theorizes that Alex Gibbs departure was no big loss to the Texans since NFL teams have neutralized the effectiveness
of his blocking schemes.