NFL

In the National Football League, the duties of the referee differ from those of the umpire. While both officials are close to the line of scrimmage during a play, they have different responsibilities.

Rushing yardage is the number of yards a team gains on a running play that starts at the line of scrimmage. The total rushing yardage is an important statistic to keep track of because it often...

NFL field goal kickers may only play a few seconds at a time, but they play an important role in the game. Field goals are often the deciders in close games. Spectators should keep the official...

Perhaps you've been watching a football game, and you've seen an offensive player move from one side of the field to the other, or you've seen a running back leave his position behind the...

A football formation is a term that describes where each player is on the field on the offense and the defense prior to the start of a play. Football formations are many and varied but there are...

The eligibility rules of the National Football League are designed to eliminate the chaos that would ensue if the defense could not tell who was a legal pass receiver on each play. The NFL...

A skill imperative for any running back is the ability to spot gaps and move through them quickly for a big gain. Reggie Bush exemplifies this ability. Even if the gap is small, Bush may identify...

Champ Bailey is so suffocating on his defensive coverage that teams rarely even try to throw a pass in his direction. While his physical skills are great, Bailey is one of the most fundamentally...