1. 20 yards
   50 yards
2. 80 yards
   100 yards

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

1. Goal line
   Field line
2. Out of bounds
   Finish line

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

1. White flag
   Yellow flag
2. Green card
   Their hat

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

1. Tipoff
   Toss up
2. Kickoff
   Face-off

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

1. 10-yard line
   20-yard line
2. 25-yard line
   35-yard line

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.

1. 5 yards
   10 yards
2. 15 yards
   25 yards

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​.

1. 5
   7
2. 9
   11

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

1. Line of play
   Fieldline
2. Line of scrimmage
   Line of attack

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.

1. 4
   7
2. 9
   11

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

1. 0
   4
2. 7
   It doesn't matter

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.

1. 1
   2
2. 3
   It doesn't matter

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

1. Receiver
   Running back
2. Center
   Guard

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.

1. 5 yards
   10 yards
2. 15 yards
   20 yards

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.

1. Yes
2. No

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.

1. Throwing
   Running
2. Punting
   Kicking

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

1. Yelling
   Shaking his head
2. Running out of bounds
   Waving his hand

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

1. False call
   Unsportsmanlike​ conduct
2. Delay of game
   Unfair catch

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

1. 10 yards
   15 yards
2. 20 yards
   25 yards

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

1. 7
   10
2. 11
   12

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

1. 5 yards
   10 yards
2. 15 yards
   20 yards

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

1. Touchdown
   Touchback
2. Defensive conversion
   Safety

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.

1. 1
   3
2. 6
   7

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

1. 1
   3
2. 6
   7

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

1. Intentional grounding
   Incomplete pass
2. Out throw
   He's removed from the field.

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

1. In shotgun
   Outside the tackle box
2. Under center
   Running back pass

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

1. Neutral zone infraction
   Personal foul
2. Over the line
   Heavy start

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

1. Defensive catch
   Reception
2. Interception
   Pass recovery

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.

1. Fumble
   Ground ball
2. Dropped
   Incomplete

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

1. Offense
   Defense
2. Skilled players
   Anyone

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

1. Yes
2. No

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

1. Hitting the quarterback
   Roughing the passer
2. After the play hit
   False hit

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

1. Broken play
   Tackle for a loss
2. Sack
   Backfield tackle

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.

1. 5 yards
   10 yards
2. 20 yards
   25 yards

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.

1. Yes
2. No

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.

1. 2-yard line
   5-yard line
2. 15-yard line
   25-yard line

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.