By Darrin Sheffer With Contributions by Coach Phil Vogt Website: thecoachvogt.com Twitter: @thecoachvogt http://thesportsquotient.com/nfl/2013/11/27/double-edged-sword-the-zone-blocking-scheme It's the new thing! It's popular! It's 21st Century Football! It's never been done before! It's... not really true. If there is one overhanging theme in offensive football that I have learned it is that nothing is truly "new". Everything, and I mean everything (yes, even RPO's) have been done before. There is nothing truly new when it comes to football, everything you see being done today has been stolen from another coach or another time. One case in particular: Zone Based Offenses. If you are a spread team, you probably have at least one, if not multiple plays that have Zone Blocking schemes. Not just spread teams, many Flexbone, Wing-T, I formation and Pro Style offenses use some form of Zone Blocking schemes in their...