[Mike Simonds]

Check with the R first on which tackle to key on the snap.

I've been lining-up 7 yards deep over the guards or center depending on the defensive formation. Any wider puts me in the path of sweeps and off-tackle plays.

Pre-snap I watch the center for snap legality while keeping the guards and tackles in my field of vision. After snap I read the far-side tackle's block.

Run block I pick-up point of attack. If guard pulls I watch him. If guard/center/tackle trap block I side-step either right or left to get out of the hole while watching the blocks at the point of attack. Only a few steps will get me out of harm's way. I strive to stay loose and not move my head around too much. Picking up the point of attack, officiating from my position inside-out, and focusing on the action around the ball at the point of attack works best for me. I can only watch about half of the line (2 to 4 players at any one time).

Pass block I step-up to the line and watch the blocking. The R will help me with his far-side tackle. I watch out for draws and get out of the way.