The AFC and NFC Explained: How the NFL Actually Works

The NFL can look complicated from the outside.

32 teams spread across two conferences and eight divisions, a regular season that seems to matter in some ways and not others. Wild cards, seeds, byes: it's a lot of vocabulary before you've even got to the games themselves.

But strip it back and the structure is actually quite logical. If you follow football in the UK, you likely already understand most of the underlying principles. This guide puts them in terms you'll recognise.

Start here: the NFL is just two leagues in one

The simplest way to think about the NFL is as two separate competitions running simultaneously - the AFC (American Football Conference) and the NFC (National Football Conference) - with a grand final at the end where the winner of each meets the other. That final is the Super Bowl.

Each conference has 16 teams. Each conference has its own standings, its own playoffs and its own champion. The AFC champion and the NFC champion meet in the Super Bowl to decide who wins the whole thing.

Divisions: the building blocks

Within each conference, the 16 teams are divided into four divisions of four teams each. The AFC has its North, South, East and West; so does the NFC. Eight divisions in total, 32 teams.

Each team plays the other three teams in their division twice during the regular season, once at home and once away. Winning your division is the primary route to the playoffs, and it carries a guaranteed place regardless of how many wins you've accumulated compared to teams in other divisions.

This is one of the NFL's quirks. A division winner with a modest record - say eight wins out of 17 - can make the playoffs ahead of a team from another division with 10 or 11 wins, simply because they topped their own group.

The regular season and how standings work

Each team plays 17 games across 18 weeks; one bye week included, when each team has a week off. Wins and losses are straightforward: a win is a win, a loss is a loss. Draws are rare but possible, and they count as half a win for standings purposes.

At the end of the regular season, the standings in each division determine playoff qualification. The team with the best record in each division wins it. Four division winners per conference - eight total across the NFL - are guaranteed playoff spots.

But four teams per conference isn't enough to fill a proper bracket, so three additional teams from each conference also qualify. These are the wild card teams.

Wild cards: the backdoor into the playoffs

Wild cards are the best-performing non-division-winners in each conference. After the four division winners are confirmed, the three teams with the next-best records in the conference take the wild card spots, regardless of which division they're from.

This means seven teams from each conference make the playoffs - four division winners and three wild cards - for fourteen teams in total across the NFL.

Seeding: who plays who and when

Once the seven teams from each conference are confirmed, they're ranked by seed - first through seventh - based on their regular season records. Division winners are seeded first through fourth; wild card teams are seeded fifth through seventh.

The top seed gets the best draw. The two highest seeds in each conference receive a first-round bye, so they sit out the wild card round and enter the playoffs in the second round (the Divisional Round) already rested. That bye is understandably one of the most coveted outcomes of the regular season.

How seeding works in practice

In the NFC, the top seed might be a team with 14 wins. They receive a bye in the wild card round and host their divisional round game at home. The seventh seed - a wild card team with perhaps nine or ten wins - has to travel to play the second seed in the first round, with no home advantage.

Home advantage throughout the playoffs goes to the higher seed. Win and you stay home; lose and you're done. The structure rewards the teams who performed best during the regular season with the softest possible path (if there is such a thing) to the Super Bowl.

Clinching: what does it actually mean?

You'll hear the word "clinching" constantly in NFL coverage from October onwards, and it means exactly what it sounds like: a team has mathematically secured something, regardless of what happens in their remaining games.

A team can clinch their division title (they've won their group with games to spare), clinch a playoff spot (they're definitely in, even if their exact seed is still being decided) or clinch a first-round bye (they're guaranteed to finish as a top-two seed).

It's the NFL's way of saying "the maths makes this certain", equivalent to a Premier League team being mathematically safe from relegation or guaranteed to finish in the top four before the final day.

In betting terms, clinching matters because it often affects how teams approach remaining regular season games. A team that has already clinched everything they need may rest key players in their final weeks, which is relevant knowledge when assessing late-season matchups.

A brief history of the two conferences

The AFC and NFC weren't always two halves of the same organisation. They emerged from a merger.

In 1960, a rival league - the American Football League - was established to compete with the existing NFL. For a decade, the two leagues ran in parallel, competed for players and even played a championship game against each other. The NFL-AFL merger was formalised in 1970, bringing all 26 teams together under one organisation.

Rather than abolishing one identity in favour of the other, the merged league kept both conference structures. The AFL became the AFC, and the original NFL teams formed the NFC.

Several teams moved between conferences to balance the numbers, and the structure that emerged in 1970 has remained fundamentally unchanged ever since, growing from 26 to 32 teams as expansion franchises were added over the following decades.

The NFC was historically the stronger conference through much of the 1980s and early 1990s - the San Francisco 49ers and Dallas Cowboys dominated - before the AFC reasserted itself through the Patriots' dynasty of the 2000s and 2010s.

The two conferences have produced different eras of dominance, which gives long-term NFL following a historical quality that the conference structure helps tell.

How this all applies to betting on the NFL

Understanding the conference and division structure gives you the framework to read the NFL betting calendar properly.

Conference champion markets are available throughout the season, not just the playoffs, and backing a team to win the AFC or NFC is a different and often more accessible bet than backing them to win the Super Bowl outright. Division winner markets also open before the season and update weekly as the standings develop.

The seeding implications - rest decisions, home advantage, path to playoffs - are relevant context for in-play and match betting during the playoffs.

A number-one seed playing at home against a visiting wild card team is a very different proposition to the same teams meeting on a neutral field. The structure creates context, and context is always worth understanding before placing a bet.

All betting is subject to chance. Understanding how the NFL works gives you a clearer picture of the markets, but it doesn't change the unpredictability of any individual game. Set a budget before you start and use the spend limit tools in your Bally Bet account to stay in control.

AFC vs. NFC Explained FAQs

How many teams make the NFL playoffs?

14 teams in total, comprising seven from the AFC and seven from the NFC. In each conference, the four division winners qualify automatically, and the three remaining spots are taken by wild card teams.

What does "clinching a playoff spot" mean in the NFL?

It means a team has mathematically secured a place in the playoffs, regardless of what happens in their remaining games. A team can also clinch their division or a first-round bye.

What’s the difference between the AFC Championship and the Super Bowl?

The AFC Championship is the final game within the playoffs where the two remaining AFC teams play each other, and the winner becomes the AFC champion. The same process happens for the NFC. The two conference champions then meet in the Super Bowl.

For more straightforward breakdowns of elements of the NFL - as well as other sports - look no further than the Bally Bet blog. We're committed to clarifying and making simple aspects of sports betting that you may not be familiar with, alongside spotlighting online casino games we think are worth a look.

All offers mentioned correct at the time of writing but may be subject to change.