by Chase Stuarton December 11, 2012inDefense,FantasyRichard Sherman exhibits the proper form for 'You Mad Bro?' in sign language.Bill Barnwell wrote yesterday about the dominant fantasy performance by the Seahawks defense against Arizona on Sunday. The Seahawks scored two touchdowns, forced 8 turnovers, recorded three sacks, and pitched a shutout. That made me wonder: which defense produced the best fantasy in NFL history?I used Footballguys.com’s scoring system in the Footballguys Players Championship to calculate every performance by a fantasy D/ST since 1940. Here it is:Team Defense/Special Teams 1 point – Every sack 2 points – Every team takeaway (interception or fumble recovery) 6 points – Every TD (via interception return, fumble return, punt or kickoff return, blocked FG return, missed FG return, blocked punt return) 5 points – Every safety 12 points – Every shutout 8 points – Allowing between 1- 6 points 5 points – Allowing between 7 – 10 pointsBecause I decided to use the offi...