Evolution of the Game: Goal Posts

A History of the Football Goal Post

Goal Post History

Five things you didn't know about how goalposts get made

This best-selling soccer goal meets all NCAA and NFSH specs. The Evolution 1.1 has 4' x 5' elliptical posts and crossbar; the Evolution 2.1 has 4-3/8

Kwik Goal Evolution® Soccer Goals

A History of the Football Goalpost

Goal (sports) - Wikipedia

A History of the Football Goalpost

What are all the dimensions of a football (soccer) goal? - Quora

Genealogy of American Football: Evolution of goal posts - Big Blue View