Walter Camp was an American football player, coach, and sports writer who made important contributions to the development of American football. He introduced many rules and operational changes, including establishing the line of scrimmage, the system of downs, numerical positions for players, and the point system that determined scoring. The NFL was formed in 1920 building on the innovations Camp brought to the sport.

1. Who was Walter Camp?
Walter Camp was …
● born April 17, 1859 died in 1925.
●Walter Camp contributed changes
from Rugby and Soccer to American
football
●The NFL or the National Football
League, was formed in 1920.

2. How the ball was
created …
In the early stages of the game of football, a pig's bladder was inflated
and used as the ball
White laces sewn on the ball's surface help the players to grip it
After special tanning processes, the cowhide selected to be used for
the football is cut into a bend, which is the best and strongest part of
the hide
The bend is then die-cut into panels
four panels are sewn together by a hot-wax lock stitch machine
A two-ply butyl rubber bladder is inserted, the ball is laced, and then it
is inflated with a pressure of not less than 12.5 lb (6 kg) but no more
than 13.5 lb (6.1 kg).

3. Football rules Include….. Preseason: August 11 –
 Football Field September 2
 Game format
 Football Players o Contains 4 weeks
 The Football Play
Football Penalties
Regular Season: September 8 –

 False Start
 Offside January 1
 Holding o Contains 17 weeks
 Pass Interference
 Facemask
 Roughing the passer or kicker Post Season: Play offs contains…
 Intentional Grounding
 Ineligible Receiver Downfield o wild card weekend
o divisional playoffs
The offensive team can lose possession of o conference championship
the football by: o SUPERBOWL!!
Scoring
Not getting 10 yards in four downs.
Fumbling or dropping the football and the defensive team
recovers it.
Throwing the football to a defensive player for an interception.
Punting, or kicking, the football to the defensive team.
Missing a field goal.
Getting tackled in the end zone for a safety.