What Is an Expansion Team in Sports?
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An expansion team is a brand-new franchise added to a league when it grows beyond its existing members. It is how closed North American leagues — the NFL, NBA, MLB and NHL — add clubs, since they do not use promotion and relegation. A new team fills its roster mainly through an expansion draft, and its owners pay a large fee to join.
What an expansion team is
Because leagues like the NFL and NBA are “closed,” with a fixed set of teams and no relegation, the only way to add a club is for the existing owners to vote one in. That new club is the expansion team, and it starts from scratch — no roster, no history — building up through mechanisms designed to give it a fair chance.
How it builds a roster
| Route | What it provides |
|---|---|
| Expansion draft | Players left unprotected by existing teams |
| Entry draft | Rookies, sometimes with extra early picks |
| Free agency | Signed veterans and role players |
| Trades | Deals using picks and expansion-draft assets |
The expansion draft is the signature mechanism, and league rules set how many players each club can protect.
The price of joining
New owners pay a large expansion fee — recently in the billions for top leagues — split among existing owners. The fee buys a permanent franchise right and a share of future league revenue, which is why it costs so much and why owners vote carefully on who gets in.
Do expansion teams start badly?
Historically yes, since they pick from players others didn’t protect. But smart rules and drafting have produced fast success stories — the NHL’s Vegas Golden Knights reached the Stanley Cup Final in year one. Good management can shorten the climb dramatically.
Expansion vs. the open model
Expansion is the closed-league answer to growth: add a franchise from the outside for business reasons. The open soccer pyramid instead lets new clubs enter at the bottom and rise through promotion and relegation. The tension between the two models drove the failed 2021 European Super League breakaway.
Frequently asked questions
What is an expansion team?+
An expansion team is a new franchise created and admitted to a league to increase the number of teams. Because North American leagues are 'closed' — with a fixed membership and no [relegation](/what-is-relegation-in-soccer/) — adding a team requires the existing owners to vote in a new one. The new club starts from nothing and builds a roster through special mechanisms designed to give it a fair start.
How does an expansion team get players?+
Mainly through an expansion draft, where the new team picks from players the established clubs leave unprotected, plus normal free agency, trades, and the annual entry draft (sometimes with extra early picks). The league sets rules on how many players each existing team can protect, balancing the newcomer's need for talent against the older clubs' desire to keep their best players. See our [expansion draft](/how-does-an-expansion-draft-work/) guide for the mechanics.
How much does an expansion team cost?+
New owners pay a large expansion fee to join a league, which is split among the existing owners. These fees have grown enormously as leagues have become more valuable — recent NHL and NBA-level expansions have run into the billions. The fee essentially buys a permanent franchise right and a share of the league's future revenue, which is why they command such high prices.
Why do leagues add expansion teams?+
Leagues expand to enter new markets, grow their fan base and TV footprint, and collect large expansion fees. Because they are closed systems, expansion is the only way to add teams — there is no [promotion](/promotion-and-relegation-explained/) from a lower division. Adding a city can also strengthen national media deals, which benefits every existing owner through shared revenue.
Are expansion teams usually bad at first?+
Often, but not always. Starting with players other teams chose not to protect, expansion teams historically struggle in their early seasons. But modern expansion drafts and smart drafting have produced fast risers — the NHL's Vegas Golden Knights famously reached the Stanley Cup Final in their first season. Good management and favorable rules can shorten the climb considerably.
Do other countries have expansion teams?+
The concept exists mainly in closed leagues like those in North America and in franchise competitions such as some cricket and rugby leagues. In open soccer pyramids, new clubs generally enter at the bottom and rise through [promotion](/promotion-and-relegation-explained/) rather than being 'expanded' straight into a top division. So expansion is closely tied to the closed-league business model.
What's the difference between an expansion team and relegation/promotion?+
Expansion adds a completely new franchise to a closed league by owner vote and a fee. [Promotion and relegation](/promotion-and-relegation-explained/) instead moves existing clubs up and down between divisions based on results. One grows the league from the outside for business reasons; the other reshuffles membership from within based on sporting performance. They are the two opposing ways sports leagues handle which teams belong.
Sources
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