at http://www.hud.gov/offices/reac/pdf/pass_dict2.3.pdf (325 Pages, 343 KB) Additional clarification to these definitions is contained in the REAC PASS Compilation Bulletin which can be found at http://www.hud.gov/offices/reac/pdf/pass_bulletin.pdf (24 Pages, 275 KB)
An official NFL football is slightly larger than high school or other professional leagues. The length should measure about 11 inches from tip to tip, and the in circumference at the center of the football should measure about 22 inches.imilar to other levels of football, the NFL uses an egg-shaped football, but the NFL has specific rules to the size, shape and materials used for the football. The Digest of Rules of the NFL explains the official size requirements for the football, along with other basic rules for playing the game.
Rules & Game Play. The Field. The CFL field is 110 yards long and 65 yards wide. The two end zones are each 20 yards deep. The NFL plays on a field that is 100 yards long and 53.3 yards wide. It is divided into five-yard sections with numbers painted at every 10 yards. The field is divided into two halves of 50 yards. At each end of the field is a 10 yard âend zone.â where scoring takes place. Players and Game Play