Professional sports In the
United States and
Canada, the
National Hockey League (NHL) and
National Basketball Association (NBA) are divided into Eastern (
NHL,
NBA) and Western (
NHL,
NBA) Conferences, with multiple divisions within each conference (two in each NHL conference, three in each NBA conference). In both leagues, a total of sixteen teams (eight from each conference) qualify for the league's postseason playoffs. In the
NHL, since the 2013–14 season, the top 3 in each division are guaranteed to qualify and division winners are awarded the highest seeds, meaning they will have
home-ice advantage in a given round, with the two best remaining teams in each conference receiving
wild card spots. In the NBA, starting with the 2015–16 season, the
playoff spots go to the eight top teams in each conference by overall record, with home-court advantage in each playoff series based solely on record.
Major League Soccer (MLS) also divides itself into an
Eastern and
Western Conference, though it does not have divisions within them; it too allocates an equal number of teams from each conference to play for its
MLS Cup Playoffs (since 2019, this has been seven teams each). The
National Football League (NFL) is divided into an
American Football Conference (AFC) and a
National Football Conference (NFC). Both conferences have 16 teams, and each conference is divided into 4 divisions of 4 teams each. These conferences, for the most part, derive from the fact that they were once separate organizations: the original National Football League and the 1960s
American Football League; the two entities merged in 1970, with each league forming the basis of the NFC and AFC respectively. The NFL allocates seven teams from each conference for the
NFL playoffs; the four division winners (guaranteed one of the top four seeds, based on winning percentage), and the three best-non division winners, also known as
wild cards.
Major League Baseball (MLB) does not use the word "conference." Instead, it is divided into two separate leagues which are identical to the conferences listed above in all but name (which, although their operations have been integrated via the
Commissioner of Baseball in modern times, were originally separately managed organizations with an intense rivalry). These are the
American League (AL) and
National League (NL), with 15 teams each. Each league is divided into the Eastern (
AL,
NL), Central (
AL,
NL), and Western (
AL,
NL) divisions, with all six divisions having 5 teams each. Each league produces six teams for
postseason play, with each division winner also guaranteed one of the top three seeds, even if their record is lower than the league's top
wild card teams. In all five sports, the champion of one conference (or league in MLB's case) plays the champion of the other conference for the final round championship, this is guaranteed to occur because the rules for the playoffs require play to be exclusively within the conference/league in all rounds before the final round, leaving only two teams for the finals (one from each conference/league) and the records of teams outside a conference/league are ignored, which can allow teams with inferior records to make the playoffs while teams in the other conference with better records do not get in. An extreme example of this has occurred four times in the NFL, when the
2010 Seattle Seahawks,
2014 Carolina Panthers,
2020 Washington Football Team, and
2022 Tampa Bay Buccaneers reached the playoffs by winning their respective divisions despite losing records (7–9 for the Seahawks and Washington, 7–8–1 for the Panthers, 8–9 for the Buccaneers). These are the only teams ever to qualify for the playoffs with losing records in seasons that were not shortened by strikes (as in
1982, which was shortened from 16 to 9 games). In addition, a team's regular season schedule is weighted towards more games against other teams within their own division and to a lesser extent their own conference; NBA and NHL teams play at least two games (one at each home
arena) against every other team in their league in a regular season, MLB teams play at least one 3-game series against every other team (as of the 2023 season), but the NFL teams do not.
Collegiate sports In
college sports, the terms "league," "conference" and (generally at lower levels) "athletic association" can be used interchangeably to refer to a group of teams (generally eight to twelve colleges or universities, and occasionally as high as eighteen) that regularly play against each other within a national governing body, the most significant of which is the
National Collegiate Athletic Association (NCAA). Most of these groups (including the
"Power Four" conferences that are primary partners in the
College Football Playoff) refer to themselves as conferences, although the
Horizon League,
Ivy League,
Patriot League,
Pioneer League and
Summit League use the word "league" instead, and another conference calls itself the
Coastal Athletic Association. The NCAA itself is divided into divisions and subdivisions based on athletic scholarship eligibility, which can lead to redundancy when these conferences also have divisions of their own. ==England and Wales==