1. Real
2. Made up

No player has scored more rushing touchdowns than Emmitt Smith. He finished his career with 164 rushing touchdowns.

1. Real
2. Made up

The offensive line is typically made up of five players. Occasionally, if a team wants to run the ball, they will bring in an extra lineman to block.

1. Real
2. Made up

No player in the NFL has thrown for more yards in a game than Norm Van Brocklin. In 1951, he threw for 554 yards while playing for the Rams.

1. Real
2. Made up

Players work hard to avoid fumbling the ball, but some players just can't hold onto it. In the NFL, no one fumbled the ball more in their career than Warren Moon, who did it 161 times.

1. Real
2. Made up

If a team is losing in the final seconds of the game, players will pitch the ball backward to one another to avoid getting tackled. This strategy worked for the Titans in the 2000 playoffs during a play known as the Music City Miracle.

1. Real
2. Made up

Drew Bledsoe once threw 70 passes in a game. It happened in 1994 while he was playing for the New England Patriots.

1. Real
2. Made up

Adrian Peterson had a fumbling problem early in his career. However, he worked hard to overcome it, and today, he's recognized as one of the best running backs to ever play.

1. Real
2. Made up

The ball can be snapped when there are fewer​ players on the field than needed. However, if there are more players, then it's a penalty.

1. Real
2. Made up

There are seven players on and four players off the line of scrimmage. Where these players line up determines what kind of formation is being run.

1. Real
2. Made up

Defensive players are given more freedom as to their formations. There are occasions when no one lines up on the line of scrimmage.

1. Real
2. Made up

Some teams go for big play after big play to get a large number of yards. Other teams will pick up one first down after the other to demoralize a defense.

1. Real
2. Made up

If a team is out of field goal range, they will usually punt on fourth down. However, some coaches are risky and will go for a first down so their team can keep the ball.

1. Real
2. Made up

Games are actually started with a kickoff. In the NFL, the kickoff happens on the kicking team's 35 yard line.

1. Real
2. Made up

Devin Hester holds the record for most punt returns for a touchdown. He finished his career with 14.

1. Real
2. Made up

Brian Mitchell has the most punt return yards of any NFL player to ever grace the field. He finished his career one yard short of 5,000.

1. Real
2. Made up

Defensive players are allowed to hold within the first five yards of the line of scrimmage. After that, they have to rely on their speed and athleticism.

1. Real
2. Made up

Jerry Rice is one of the greatest wide receivers of all time. He played his career with two Hall of Fame quarterbacks, helping both of them to win Super Bowls.

1. Real
2. Made up

Intentional grounding is not called when the quarterback is outside of the tackle box. However, the quarterback has to get the ball beyond the line of scrimmage.

1. Real
2. Made up

Marshall Faulk was one of the best dual-threat running backs in the NFL. He once averaged more than 1,000 rushing and receiving yards in a season.

1. Real
2. Made up

Some teams will run trick plays by leaving a lineman uncovered so he can run a route. The Buffalo Bills did this a few times in 1992 with their offensive tackle, Mitch Frerotte.

1. Real
2. Made up

Cam Newton is a dominant running quarterback. By both rushing and throwing, he led the Carolina Panthers to a Super Bowl in 2015.

1. Real
2. Made up

When the offense moves inside the 20 yard line, it becomes much harder to score. This is because the defense has less field to defend.

1. Real
2. Made up

The Rams once had three safeties in one quarter. This happened in 1984 against the Jets.

1. Real
2. Made up

The ball used to be moved to the 20-yard​ line. However, in an effort to eliminate big hits, the NFL moved it to the 25-yard line so teams wouldn't return the ball out of the end zone.

1. Real
2. Made up

There is no returning the ball after a fair catch is made. If the receiver tries to return the ball, it's a penalty.

1. Real
2. Made up

Darren McFadden was famous in college for throwing seven touchdown passes as a running back. He showed off his arm again by throwing a touchdown pass in the NFL while playing for the Oakland Raiders.

1. Real
2. Made up

Unlike college football, NFL games can end up in a tie. That happens if the score is still tied after the end of overtime.

1. Real
2. Made up

They have to score a touchdown. If a team only kicks a field goal, the other team has a chance to respond.

1. Real
2. Made up

If a team choses to kick on their PAT attempt, they only get one point. They can also decide to go for two.

1. Real
2. Made up

This is called offensive holding. However, many linemen know tricks to get around the rule, which can be frustrating for defenders.

1. Real
2. Made up

If a player lines up over the line of scrimmage, it results in a 5-yard penalty. Many eager defensive linemen often get called for this.

1. Real
2. Made up

It's rare for teams to score more than 50 points. However, if they do, the other team just has to deal with it as the game continues.

1. Real
2. Made up

Quarterbacks like Ben Roethlisberger are known for taking beatings on the football field. This is because of their own physical dominance, which requires defenders to be more aggressive.

1. Real
2. Made up

The silent count has become much more popular in football over the years. It's often used to catch defenses off guard.

1. Real
2. Made up

Concussions are one of the leading issues in the NFL. Almost yearly, new rules are added to help reduce the number of head injuries.