Where can I find a concise list of differences in rules between the NFL and NCAA football?
FIELD/EQUIPMENT DIFFERENCES: Field size is an immediate difference between leagues. In the NFL and NCAA, the field is a total of 120 yards long–100 yards of playing field with two end zones, one at either end of the field, each end zone being 10 yards long. The field is 53 1/3 yards wide. NFL goal posts are 18 1/2 feet wide, with the crossbar at 10 feet, while the NCAA widened their goals to 23’4”. Also, the NCAA uses two supports for goal posts, while the NFL has only one. TIME/PERIOD DIFFERENCES: The NFL provides for an hour game by having four quarters, called “periods”, of 15 minutes each. Additionally, the NFL allows 30 seconds for the players to act once the referee has put the ball down on the field and it is to be put into play. With respect to overtime, the NCAA only uses it to break ties between teams in championship level games, where a winner must be determined to play the next round. The winner is the team with the most points into overtime after each team has had an equ