NCAA football will have a four team playoff in a couple of years so that made the list. Is it better to have a seven game series or a single game elimination? You chose what playoff system you like the best.
http://www.ranker.com/list/what-league-has-the-best-playoff-system-/stokified,
NCAA Basketball
NFL
NHL
MLB
NBA
NCAA Football
NCAA Lacrosse
NCAA Soccer
Champions League