By Charlie Wilson The Pittsburgh Steelers will make Russell Wilson their starting quarterback, with Justin Fields as back-up. Fields was traded from the Chicago Bears for just a sixth-round pick, even though many thought he could fetch a day-two pick. The Bears are now expected to draft Caleb Williams as their top pick in the NFL Draft. Fields will try his best in training camp and preseason to fight for the starting spot, but it seems like a tough battle as Pittsburgh has already made their decision. The NFL Network reported that a source from the Steelers said Wilson would be the team’s star…