Getty NFL insider Aaron Wilson reported the Pittsburgh Steelers are expected to expand their scouting department by hiring Tim Gribble. The Pittsburgh Steelers currently have over $40 million in cap space as they await the start of the NFL’s free agency period, which officially begins on March 11th. After hiring an offensive-minded head coach in former Super Bowl champion Mike McCarthy this offseason, the team could be interested in adding more weapons, especially if future Hall of Fame