But ESPN 's Chris Mortensen said the steroid ban has changed the frames of some of the players whose careers require packing on and maintaining the pounds .
ESPN 's Chris Mortensen has been covering the NFL since the ' 80s .
But ESPN 's Chris Mortensen , who has been covering the NFL since the ' 80s , said the steroid ban has changed the frames of some of the players whose careers require packing on and maintaining the pounds .