Changes

==Later Developments==

Up until the 19th century, many versions of what can be called mob football existed. In fact, this variety of football has muddled the story of how American football developed, but historians believe that the formation of American football was ultimately tied to the development of rugby. Older American universities, particularly Harvard and Yale, had developed student football traditions that resembled a cross between rugby and mob football.<ref>For more on the origins and influence of mob football, rugby, and other related sports, see: <i>The DNA of Rugby Football A Short History of the Origin of Rugby Football</i>. 2015. Partridge Africa.</ref> These games initially had few clear rules except masses of students would play together and two sides would compete to possess a ball and try to win points with this ball. The games were more like soccer but much more violent. In fact, some places began banning the sports due to the excessive violence.