There’s some interesting history here too:
quotehe Ivy League really was great at one time. In fact, the Ivy League is the Grandaddy of college football conferences.
From 1900 and 1925, Ivy League teams won 20 out of 25 college football National Championships! Talk about domination.
Princeton, still, has actually won more recognized college football national championships (24) than anyone else. Yale has won 19. Yale’s famous football coach, Walter Camp, is commonly referred to as the “Father of American Football.”
Indeed, Yale continued to have more all-time wins than any other college football team until Michigan passed it on November 10, 2001.
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http://www.secsportsfan.com/sec-vs-ivy-league-football.html
Part of the reason I posed the question about the Ivies taking the lead in eliminating football is because of their history in establishing the college game here in the U.S.