Getty (Photo by Joe Sargent/Getty Images) The NFL has admitted a mistake that could have changed the course of the season for Aaron Rodgers and the Pittsburgh Steelers . The Steelers were able to steal the division from the Baltimore Ravens with a win in the season finale, giving them a playoff berth that once seemed unlikely. But another controversial play from the previous meeting between the teams could have altered the course of the race, the NFL revealed this week. NFL’s Mistake Helped