I had never heard of Adrian Peterson until January 8, 2013.   There was an article in our local newspaper about the star football player.  I live in Buffalo Bills country.  We may not have a Superbowl trophy on the shelf, but we are dedicated fans.  So, why on earth was everybody gushing about a running back for the Minnesota Vikings?   Adrian Peterson did something off the field that made him a real hero.   He called a teenager, battling a rare form of cancer,  just to talk.  Blake Cognata took the call from his bed at Strong Memorial Hospital.   For five minutes Blake was in his glory, speaking on…