Can You Answer All Of These Questions About Being An NFL Referee?

No player has crossed the goal line more Emmitt Smith. He finished his career with 164 touchdowns.

The quarterback is usually the leader of the offense. He's responsible for making reads and calls based on the defense.

Derrelle Revis is one of the most dominant cornerbacks to ever play in the NFL. During his prime, quarterbacks wouldn't even throw to his side of the field.

A center must have great chemistry with the quarterback. After all, a lot can go wrong from the snap of the ball to the quarterback receiving it.

Devin Hester holds the record for most punt returns for a touchdown with 14. He accomplished this while playing from 2006 until 2016.

The most penalties ever in an NFL game is 22. This record is held by three different teams.

Defensive tackles have to be some of the most dominant players on that side of the ball. They are responsible for controlling the line of scrimmage.

The best offenses move the chains methodically. This wears a defense down and keeps their own defense off the field.

The longest punt in NFL history went 98 yards. This punt came from the leg of Steve O'Neal.

Personal fouls can get players kicked out of games. Sometimes, they even come with a hefty fine.

All referees have their own jobs, but they are also responsible for communicating with one another. This helps to ensure calls are right.

The most times a runner has crossed the goal line in a single game is five. This has been accomplished by five different players.

Linebackers sometimes get called for this when they aren't used to rushing the passer. Of course, that's rare in today's game.

NFL games last 60 minutes. A coin is flipped to decide who gets the ball first.

The longest run in NFL history went 99 yards. This was accomplished by Tony Dorsett in 1982, while playing with the Cowboys.

Many false starts are caused by crowd noise. One of the loudest stadiums in the NFL belongs to the Seattle Seahawks, where the crowd can be quite intimidating​.

The longest field goal ever kicked was 64 yards. This was accomplished by Matt Prater in 2013.

Cam Newton is known as a big and physical quarterback. However, that means he takes a lot of punishment as well.

Playing from 1964 until 1979, Paul Krause was one of the greatest safeties in the game. He still holds the NFL record for interceptions with 81.

Brett Favre also holds the record for most fumbles in a career. From 1991 until 2010, Favre fumbled the ball 166 times.

This rule is different than in college. In college, you're down as soon as you hit the ground.

No player has thrown for more yards in a game than Norm Van Brocklin. He threw for 554 yards during the 1951 season opener.

No player completed more passes in their career than Brett Favre. He finished with 5,377 completed passes.

Defensive ends are often the most difficult defensive players to guard. They are sacking machines, and holding is sometimes necessary to keep them from hitting the quarterback.

Tom Brady is also a three-time NFL MVP. He won his first MVP award in 2007.

No player was better at sacking the quarterback than Bruce Smith. He wreaked havoc in the backfield, recording 200 sacks over the course of his career.

Randy Moss was one of the most dangerous receivers in the history of the game. He was most known for being a down the field threat.

Tom Brady is widely considered the greatest quarterback of all time. That praise is mainly associated with his five Super Bowls.

A safety is worth two points. Many quarterbacks will take a safety by kicking the ball out of the end zone rather than having the defense recover it.

This is a huge mistake that can restart an offense's drive. It's even helped some teams win games in crunch time. The kicker is free game after both legs have returned to the ground or the defenders have touched the ball after it's left the kicker.

Only the furthest player to each side is allowed to run routes. Sometimes offenses will run unbalanced looks to confuse the defense.

The ball was once moved to the 20-yard line. However, in an effort to cut back on concussions, the NFL moved the yardage forward to keep the return man from bringing the ball out of the end zone.

The defense will run various looks to keep the offense from reading what they're doing. Sometimes they will even stand their defensive linemen up like linebackers and move them around.

Offenses also have the ability to go for a 2-point conversion. This attempt is made closer to the goal line, though it's taken less often.

In 1994, Robert Bailey returned a punt for 103 yards. That's still an NFL record.