Steelers head coach Mike Tomlin shares a laugh with the running backs before morning workouts yesterday.
Senator Robert P. Casey Jr. tries a pass while visiting training camp.
Center Justin Hartwig, left, blocks defensive end Ryan McBean during morning workouts Monday.
Hartwig, left, and McBean.
Hartwig looks for the defense.
Chris Kemoeatu returns to workouts with a large brace on his left arm.
Offensive guard Matt Lentz, right, blocks Kyle Clement.