Donald Thomas is a former starting NFL offensive lineman, and is excited to detail specific responsibilities of O-line play.

Are different blocking schemes used for different types of running backs?

Zach Moss' running style reminds me of Frank Gore.

How much verbal communication is needed before the snap, as opposed to just running the play?

When defensive players move after being set, offensive line has to change up their assignments.

Sometimes when a blocker comes off a double team, into the second level, it is planned that way. But sometimes it's on the fly.

How offensive linemen deal with stunts and twists.

Do offensive linemen have silent, or codes, for communication?

Who is priority, and who is ignored, on an overload blitz?

Who is responsible for a delayed blitzer?

How offensive linemen know who to block, when all 7 defenders are standing at the line of scrimmage.

When is running the ball ok, and when is it not, as it pertains to the numbers game?

How and when to use wide receivers in the run game.