OPINION: A Mountain West Administrator Made History By Proposing a Promotion /Relegation Model for College Football. Here's Why It Will Never Work. - The College Sports Journal
How college football relegation would work The best 2016 college football preview magazine is here online for free
The Singaporean Spectator - S.LEAGUE PROMOTION-RELEGATION Will it ever happen? Last Friday, TODAY carried a story about Eunos Crescent F.C., the reigning NFL champions. Having won what is essentially Singapore's 2nd-tier league
Will USL add relegation system and challenge MLS dominance?
Why doesn't NFL have relegation as do the major soccer leagues? It would get rid of the largesse from the game and make a more competitive system. - Quora
College Football Should Implement Promotion and Relegation
Where College Sports Are Headed: An In-Depth Analysis - Profluence
Shad Khan's two teams illustrate differences in losing in NFL and EPL
Esports Leagues: Stop Franchising, by Josh Chapman, Konvoy Ventures