Gridiron Guards are a key part of any football team. They are the players who line up on the offensive and defensive lines and protect their teammates from the opposing team. LINEMEN, as they are commonly referred to, are typically the largest players on the field and are responsible for blocking and tackling opponents. They are also responsible for opening up running lanes for the ball carrier and protecting the quarterback from being sacked. Gridiron Guards are essential to the success of any football team.