On offense it would be the players that play on the offensive line (positions: tackle, guard, and center) and on defense it would be the players that play on the defensive line (positions: tackle and end). These positions are the ones closest to the ball when it is put into play.
offensive tackle
There are two guards on the field at a time. The standard offensive line in the NFL has five members a center in the middle, on each side of him is a guard and each guard has a tackle outside of him. Each team generally keeps a backup for each position so there may be as many as four guards and ten offensive linemen on any team in the NFL. In_My_Tree888
Not in the NFL. According to the NFL Rule Book, Rule 7, Section 2, Article 1(a): "The offensive team must have seven or more players on its line at the snap."
Offside is when the defensive line men steps off the line of scrimage and makes contact with the offensive line man
actually the whole team is a beast and its The Miami Dolphins
The umpire stands behind the defensive line and looks for holding on the offensive line. In the NFL the umpire stands behind the offensive line opposite the referee and looks at the line for holding and other infractions.
TWO
A receiver in between the offensive line and the farthest away receiver from the line.
The offense is allowed up to ten players on the line of scrimmage, need one to receive the ball from the center. But the offensive is required to have a minimum of seven players on the line of scrimmage. Defensively all eleven can play on the line of scrimmage.
The defense will have the ball at their own 20 yard line.
NFL football players come in all shapes and sizes. In many cases the bigger the player the better especially on the offensive line. However, the shortest offensive lineman in the league is Marvin Phillip.