Simms' Hidden Truth: Steelers Have NFL's Top ILB Duo in Shazier and Timmons

The Pittsburgh Steelers boast perhaps the fastest pair of inside linebackers in the entire league in Lawrence Timmons and Ryan Shazier. 

What does their speed allow the Steelers to do on defense that other teams can't do? Which four players does the Steelers defense revolve around? How will the Steelers defense hold up if it loses one of those players?

Watch the video above as Bleacher Report NFL Analyst Chris Simms joins Adam Lefkoe to discuss.