Goal difference and the Premier League relegation zone

The tie-breaker defined

A league table ranks clubs by points: three for a win, one for a draw, none for a defeat. Over a long season, clubs often end up on the same number of points. A league therefore needs an agreed rule for ordering them, and in English football that rule starts with goal difference.

Goal difference is a simple subtraction. A club takes the number of goals it has scored across all its league matches and subtracts the number it has conceded. The result can be positive, negative or zero. When two clubs have the same points, the one with the higher goal difference ranks above the other.

At the bottom of the Premier League this matters more than almost anywhere else in the table. The relegation zone is the bottom three places in a division of twenty clubs. The three clubs in it at the end of the season drop into the Championship. A tie-breaker that decides whether a club sits third from bottom or fourth from bottom can therefore decide which division it plays in the following season.

The BBC's report on Forest's draw at Ipswich shows the effect mid-season. The broadcaster says the point ended a run of three straight league defeats for Forest and moved them out of the relegation zone on goal difference. In other words, Forest are level on points with at least one club below them and are separated from it only by this calculation. The report does not say which club that is or what the margins are, and this article does not guess.

Origins of the rule

English football has not always used goal difference. In earlier decades, clubs level on points were separated by goal average, a ratio worked out by dividing goals scored by goals conceded. Goal average had odd side effects. A side that scored few goals and conceded very few could rank above a side that scored and conceded many, and the maths could change sharply on a single result.

Goal difference replaced it because it is easier to understand and is generally thought to reward attacking play. Subtraction is easier to follow than division, and each extra goal scored is worth the same as each goal not conceded. The move to three points for a win, which came later and on separate grounds, was also meant to encourage teams to go for wins rather than settle for draws. Together the two rules shape how clubs in danger think about a match: a win is worth far more than a draw, and the size of a win or defeat feeds into the tie-breaker.

How it works today

Under Premier League rules, clubs are ranked first by points and then by goal difference. If those are equal, goals scored decides the order. Beyond that, the competition's rules bring in further steps based on the matches between the clubs involved. As a last resort, a play-off match can be held where the outcome affects the title, European qualification or relegation. Readers who want the exact current wording should check the league's official handbook, because the detail of the later steps has been revised over time.

The relegation zone feeds straight into the Championship. Each season three clubs come down from the Premier League and three go up from the second tier: two through automatic promotion and one through the play-offs. This exchange explains why the Championship section of any football site follows the bottom of the Premier League closely. The clubs that drop out will reshape the second tier's promotion race. Their wage bills, and the parachute payments that relegated clubs receive, also affect the finances of the division they join.

In the middle of a season, then, a draw like the one the BBC describes has two effects. It adds a point, and it changes goal difference by nothing, since the club scored and conceded the same number. Moving out of the zone on goal difference means the point was enough to draw level with a rival, and the existing goal tally did the rest.

Common misunderstandings

The most common mistake is to treat a mid-season position as more settled than it is. A club out of the relegation zone on goal difference is level on points with a club inside it. One result either way can reverse the order. Table positions in the autumn describe the present and do not predict May.

A second mistake is to assume that head-to-head results come first. Several European leagues, Spain's among them, rank clubs on the matches between them before looking at overall goal difference. The Premier League does not. Overall goal difference across the whole season comes first, and the meetings between the tied clubs only matter after several other measures have failed to separate them.

A third is to overlook games played. Tables published during a season can compare clubs that have played different numbers of matches because of rearranged fixtures or cup commitments. A club just outside the zone may have played more or fewer games than the clubs around it, and that affects how its position should be read.

Finally, goal difference is sometimes described as a reward for attacking football alone. Defending counts just as much. Not conceding a goal improves goal difference by exactly as much as scoring one.

Frequently asked questions

What is goal difference in football?

Goal difference is the number of league goals a club has scored minus the number it has conceded. In the Premier League it is the first tie-breaker used when two or more clubs have the same number of points. A club with a higher goal difference ranks above a rival on equal points. The figure can be positive, negative or zero, and it changes with every match in which goals are scored.

How many teams are relegated from the Premier League?

Three clubs are relegated from the Premier League each season: those finishing in the bottom three places of the twenty-club division. They move down to the Championship, the second tier of English football. They are replaced by three clubs promoted from the Championship: two that win automatic promotion and one that comes through the end-of-season play-offs. The exchange links the two divisions closely every year.

What happens if Premier League teams are level on points and goal difference?

If clubs are level on points and goal difference, the Premier League next looks at total goals scored. If they are still level, the rules apply further measures based on the matches between the tied clubs. If the tie affects the title, European places or relegation and still cannot be broken, a play-off match can be held. The official handbook gives the exact current order of these steps.

Does a draw change a team's goal difference?

A draw in which both sides score the same number of goals does not change either club's goal difference, because the goals scored and conceded cancel out. It does add one point to each club's total. So a draw can move a club up the table without changing its goal difference, if the extra point brings it level with a rival it already ranks above on that measure.

Why does Premier League relegation matter to the Championship?

Relegation sends three clubs from the Premier League into the Championship each season, and they often arrive with large squads and high wage bills. Relegated clubs also receive parachute payments, which are meant to soften the drop in income. This shapes the Championship's promotion race and finances. Followers of the second tier therefore watch the bottom of the Premier League closely throughout the season.

Sources and further reading

• BBC Sport: match coverage reporting Nottingham Forest's 1-1 draw at Ipswich Town and its effect on the relegation zone
• Premier League official handbook: rules on league ranking, tie-breakers and play-off provisions
• English Football League regulations: promotion, relegation and play-off structure in the Championship
• Club annual reports and league financial statements: background on central distributions and parachute payments