League Openings

Keeper vs dynasty: what is actually different

Published 2026-08-29 · SERP checked 2026-08-29

Keeper and dynasty leagues both carry players over between seasons, but a keeper league carries over a limited number of players, usually two to five, while a dynasty league carries over your whole roster. In a keeper league you redraft everyone you did not keep, every year. In a dynasty league there is no annual redraft at all, and new talent arrives through a rookie draft instead. That one difference drives everything else: how much of your year is spent drafting, how much work the offseason takes, how permanent a trade is, and how a league fills a seat when somebody walks away.

Most explainers on this topic are written for someone setting up a league, and almost all of them are written only about football. This one is written for the other person. You are looking at an open spot, in NBA or NFL, and you want to know what you are signing up for before you say yes.

Keeper vs dynasty vs redraft, at a glance

CategoryRedraftKeeperDynasty
Roster carryoverNone. Empty roster every season.2 to 5 players, set by the commissioner.The whole roster, until you trade or cut.
Draft each yearFull draft, every player available.Full draft minus the kept players.No annual full draft after year one.
Rookie draftNo. Rookies are in the main draft.No. Rookies are in the main draft.Yes. A separate rookie-only draft each offseason.
Offseason activityAlmost none until preseason.A burst around the keeper deadline, then quiet.Year round. Trading players and picks never stops.
CommitmentOne season.One season at a time, with a small tail.Multi-year by design.
How orphans happenThey do not. Nothing carries over to abandon.Between seasons, when a keeper manager does not come back.Any time. A whole roster outlives the manager who quit.
What a "startup" isNothing special. Every draft is a startup.The league's first draft. Later drafts look the same.A one-time draft of the whole player pool that shapes the league for years.

What is a keeper league?

A keeper league is a fantasy league where each manager holds a limited number of players from one season to the next, usually two to five, and redrafts everyone else. It is a redraft league with a memory. At the end of the season you name your keepers, the rest of the pool goes back on the board, and you run a normal draft around them.

The keeper cost rule is the part that actually matters. The most common rule is that keeping a player costs you the round you drafted him in, so a receiver you took in the twelfth round costs a twelfth-round pick to keep. Many leagues escalate that cost by a round for every year you hold him, which forces turnover. Some leagues charge nothing at all, some price keepers off current-year average draft position (ADP), and some cap how long you can hold anyone at two or three seasons.

The same math runs in fantasy basketball. A guard you drafted in the tenth round who finished as a top-40 player is exactly what the format rewards. A keeper who costs a first-round pick and is worth a first-round pick gains you nothing.

Read the keeper rules before you read the roster. A league where keepers are free and unlimited in years is a dynasty league wearing a keeper name tag, and it will play like one.

What is a dynasty league?

A dynasty league is a fantasy league where you keep your entire roster from one season to the next and never redraft. Your players are yours until you trade them, cut them, or lose them to retirement. The only fresh talent each year comes from a rookie-only draft, plus whatever falls to waivers.

That changes the shape of the game. Rosters run deeper, commonly 25 to 30 players in NFL dynasty and around 20 to 25 in NBA dynasty, usually with taxi or prospect slots that hold young players without using an active roster spot. League size stays ordinary: 10 or 12 teams in football, 8, 10, or 12 in basketball. Future draft picks become currency and get traded two and three years out. A trade you make in November is still on your books in 2029.

Redraft leagues do not produce orphan teams, because no roster survives the offseason to abandon. Keeper leagues can, since a few players and their escalating keeper costs carry forward. Dynasty leagues produce them constantly, because a whole roster outlives the manager's interest in it. If you are browsing open spots and most of what you see is dynasty, that is not a coincidence.

A dynasty league can reset, but rarely does. When several managers leave at once, the usual fix is a dispersal draft: the abandoned rosters and their picks go into one pool, and the incoming managers draft from it, so nobody inherits a gutted team by luck. A full reboot with a fresh startup draft happens only when a league is already most of the way to dead.

Redraft is still the baseline

Redraft is the format most people mean when they say fantasy. Empty roster, full draft, play the season, throw it away, do it again. No offseason obligations, no keeper math, no explaining to a stranger why you traded a 2028 first-round pick.

It is the right answer more often than the dynasty crowd admits. If you already play in three leagues, or your schedule from February to August is unpredictable, adding a dynasty team is how you become the person who orphans one. Redraft costs you a draft night and a season of lineups. That is the whole bill.

Where NBA and NFL actually split

The definitions travel across sports. The practice is different enough to change your decision.

NFL dynasty runs deeper and has more dialects. Superflex, a lineup slot that can hold a second quarterback, has become close to a default in new dynasty startups. Because you can start two quarterbacks, the position gets repriced sharply upward, and even backup-caliber quarterbacks hold trade value they would never have in a one-quarterback league. Devy leagues let you roster college players before they reach the NFL, which thins out the rookie draft class because the best prospects are already owned. Taxi squads are standard. Sleeper and MyFantasyLeague handle most of this natively, and devy in particular tends to live on MyFantasyLeague or Fantrax.

NBA dynasty runs on contracts more than on prospects. There is no NBA equivalent of devy or superflex worth the name. What NBA dynasty leagues add instead is money. Fantrax supports multi-year player contracts and team salary caps, and plenty of NBA dynasty leagues run a hard cap tied to the real NBA cap, with a dead-money penalty when you cut someone. If you take over a team in one of those, you are inheriting contracts, not just players, and a roster can look strong while being capped out for two more years.

The rookie draft is much smaller in basketball. The real NBA draft is two rounds. The real NFL draft is seven. So an NBA dynasty rookie draft is usually a short affair, often two to four rounds, and a far thinner source of new talent than an NFL rookie draft. In NBA dynasty, trades do more of the work.

Platform support is uneven, and it hits basketball harder. ESPN has no dedicated dynasty format in any sport, and Yahoo has no native rookie-draft tool, so dynasty on either one is a keeper setting plus a manual process. That is survivable in football, where most committed dynasty players have already moved to Sleeper or MyFantasyLeague. It bites harder in basketball, where casual play is concentrated on ESPN and Yahoo, which is a large part of why NBA dynasty ends up on Fantrax.

The word startup means two different things

In a keeper or redraft league, a startup is just the league's first draft. In dynasty, a startup draft is a one-time event where the entire player pool goes on the board, and the results shape the league for years. Joining a dynasty startup and taking over a dynasty orphan in year six are completely different commitments, even though a listing can describe both as a spot open. Ask which one you are looking at.

Which one suits you

Take a redraft spot if you want one season, a draft night, and no offseason.

Take a keeper spot if you liked redraft and want your good picks to mean something next year, without a year-round obligation. It is the honest middle. You still get a real draft every season.

Take a dynasty spot if you want the offseason to be the hobby. Trading, rookie scouting, rebuild math, three-year plans. If that reads as work rather than fun, it will be.

One more filter that has nothing to do with format. Be honest about how many leagues you can actually manage. A dynasty team you stop touching in March is next year's orphan listing.

What to ask before you join a keeper or dynasty league

What you inherit depends on the format. A redraft seat hands you nothing, you just draft. A keeper team hands you a few players and whatever their keeper costs have escalated to. A dynasty team hands you everything: contracts, future picks already traded away, and someone else's half-finished rebuild.

Commissioners in this corner of the hobby have a shared complaint, which is people who join and then vanish. Players have the mirror-image complaint, which is landing in a league whose chat died in October. Both are avoided by asking the same handful of questions up front, and by noticing how fast they get answered.

  1. How many keepers, at what cost, for how many years? Free keepers with no year limit means you are joining a dynasty league. A round-based cost with escalation means real decisions every August.
  2. If there are contracts, what year is each inherited player in? This is the NBA question. A cap-league roster can be good and untouchable at the same time.
  3. How is rookie draft order set, and which future picks come with this team? Reverse standings, a lottery, or something else. And whether the previous manager already traded the next two firsts, which is the biggest hidden cost in an orphan.
  4. How did this spot open, when, and what is the buy-in? Mid-season and offseason are different situations. A mid-season orphan usually means the year's dues are already paid and you are picking up someone's lineup mid-flight, so ask what carries over and what you still owe. Either way, a discounted or waived first-year buy-in on a rough orphan is normal and fair. Full price for a gutted roster is worth pushing back on.
  5. Where are dues held, and by whom? LeagueSafe or Fantrax Treasurer means someone other than the commissioner holds the pot. A personal payment app means you are trusting one person.
  6. How active is the league, really? Trades last offseason, messages in the chat this month. A league with neither is not one you are joining, it is one you are propping up.

How to find a keeper or dynasty league with a spot open

League Openings is a filterable board of open spots. Browsing is free and needs no account. Format is one of the filters, so you can go straight to what you want.

Every listing shows format, platform, scoring, league size, buy-in and how it is held, region, and draft type, so you can rule out a bad fit without messaging anybody. Asking to join goes through a form that emails the commissioner with your address as the reply-to. There are no public invite links, and the commissioner's address is never shown to you. Listings hide themselves after 30 days without a confirmation, or 7 days past the draft date, so what you are reading has been confirmed recently.

We do not vet leagues or commissioners, and a listing on the board is not a recommendation, paid or free. The full rules say so plainly. Ask the six questions above.

See open spots on the NBA board

The board launched in August 2026 and is still filling out, so the format you want may be thin on the day you read this. If you run a keeper or dynasty league with a hole in it, that is the fastest fix: list your open spot. It costs $5 for the season, and the code DRAFTSEASON waives that through November 30, 2026.

Questions

Is dynasty the same as keeper?
No. A keeper league carries over a limited number of players, usually two to five, and redrafts everyone else each season. A dynasty league carries over the entire roster and only drafts incoming rookies. Dynasty is sometimes described as a keeper league with no keeper limit, which is a fair shorthand but hides the real differences in roster size, draft picks, and offseason work.
What are the downsides of a keeper league?
Two. The keeper rules are where leagues argue, because a cheap keeper who outperformed his draft slot can be worth more than a first-round pick and everyone can see it. And keeper leagues tend to go quiet once keepers lock in, so if you want a year-round hobby, keeper gives you a busy August and not much else.
Does ESPN allow keeper leagues?
Yes, in League Manager leagues. The league manager sets how many keepers each team gets and whether a keeper costs the round the player was drafted in. ESPN has no separate dynasty format, so leagues that want dynasty on ESPN raise the keeper limit and run the rookie draft manually.
What is the difference between dynasty and redraft?
Redraft starts over every season with an empty roster and a full draft. Dynasty never starts over. You keep everyone, you draft only rookies, and a trade you make this year still shapes your team in three years. Keeper sits between the two.
How many players do you keep in a keeper league?
Most keeper leagues allow two to five. The number is set by the commissioner, along with the cost, and both are worth reading before you join. Some leagues also cap how many years you can hold the same player, commonly two or three.
Is keeper or dynasty better for fantasy basketball?
Depends on how much offseason you want. NBA dynasty is deep, and Fantrax leagues often add multi-year contracts and a salary cap on top. NBA keeper is closer to a normal draft with a few holdovers. If you are new to carrying a roster between seasons, keeper is the lower-commitment start.
How valuable are dynasty draft picks?
Valuable enough that they get traded years in advance, which matters if you are joining. A dynasty team that has already traded away its next two first-round rookie picks is much harder to rebuild than its roster suggests. Ask which future picks come with the team.
What happens if someone quits a dynasty league?
The roster stays and becomes an orphan team the commissioner has to fill. Redraft leagues never have this problem because they reset every year. It is why most open spots you will see in dynasty are orphans rather than new seats.

Get the newsletter

Written by Scott. One idea per email about finding and running fantasy leagues, no listings spam. Pick the sports you play.

Scott Douglas
Builder, League Openings

Scott plays in dynasty basketball leagues himself and is active in five fantasy basketball Discords, the same communities that seed the board's early listings.

We use Google Analytics to see how the board gets used. No ads, nothing sold. You choose. How we handle data