KnowraAmerican Football LeagueLinked fromLinked fromThe 8 pages that link to American Football League, each with the reason it gives.All 8Related 4Narrower topic 2Compared with 2National Football LeagueCompared with: Its challenge forced the NFL toward expansion and eventual consolidation.History of American footballCompared with: Its rivalry forced changes in salaries, expansion, and the professional game's structure.