The rules have opened the  [url=http://www.thepatriotsfansshop.com/aaron-hernandez-super-bowl-jersey/]Super Bowl Aaron Hernandez Jersey[/url] middle of the field for offenses by protecting receivers the NFL considers defenseless. The idea is to limit concussions and other serious injuries with long-range consequences for athletes. [url=http://www.thepatriotsfansshop.com/tracy-white-super-bowl-jersey/]Tracy White Super Bowl Jersey[/url] But some players factor those risks into the game and would prefer to play under the old rules.