With the kickoff of the new football season, Forbes has once again, released its much anticipated valuation list of Most Valuable NFL Teams.   How the numbers stack up gives a very interesting view inside the most valuable professional sports league on earth.  According to the Forbes data as reported by Pressboxonline.com, the average NFL team increased in value by 5 percent.  Interestingly, winning the Super Bowl only adds about an additional 1 percent to a team’s value.  This is largely due to the operating structure of the NFL, the variance of national revenues and the sometimes limited revenue from local…