Keeper Value vs. Dynasty Value: What's the Difference?

Keeper and dynasty get lumped together because they both let you hold onto players year to year. The mechanics underneath are different enough that a value built for one format can mislead you in the other.

How a keeper draft works

A keeper league runs a full draft every year, same as a redraft league — but before it starts, each team locks in a set number of players from last year's roster instead of putting them back in the pool.

• Kept players remove picks. If you keep a player, you typically lose the draft pick tied to his keeper cost — the rest of the draft fills in around your keepers.
• Cost is usually round-based or salary-based.Round-based: keeping a player costs the draft slot he'd have gone in (a la carte cost that rises each year you keep him). Salary-based (auction keeper leagues): keeping a player locks in a dollar amount against your budget.
• Keeper limits vary by league— commonly 1 to 5 players, set in the league's rules before the season.
• Rosters mostly reset every year.Whatever you don't keep goes back into the pool for everyone to redraft.

That last point is the core difference from dynasty: a keeper league only carries forward a handful of players. A dynasty league carries forward the entire roster, every year, indefinitely.

Why the two values diverge

Dynasty value asks: what is this player worth over the rest of his career? Keeper value asks a narrower question: is keeping this player, at this specific cost, better than what I'd get drafting fresh in his slot?

Those two questions can point in opposite directions for the same player.

• An aging veteran can be a great keeper and a poor dynasty asset.A 30-year-old RB coming off a strong season has real long-term risk in dynasty — age curves catch up fast at that position. But if your league only charges a 5th-round pick to keep him, that's a clear win against a 5th-round rookie in most redraft-style keeper pools. Dynasty value says fade him. Keeper cost says take the deal.
• A rookie can be a great dynasty asset and a poor keeper.A rookie WR with a strong dynasty outlook might cost a 1st-round keeper slot if your league prices rookies aggressively. If he's not going to produce much as a rookie, spending your best keeper slot on unrealized upside can be the wrong call for a league that's redrafting the rest of the roster around him anyway.
• Timeline is the whole reason.Dynasty value has to price in years the player hasn't played yet. Keeper value only has to answer "is this worth it for one more season at this specific cost" — a much shorter, much more concrete question.

How to actually use both numbers

Don't treat your league's keeper cost as a dynasty ranking, and don't treat a dynasty board as your keeper cheat sheet. Use dynasty value to understand what a player is worth long-term, then weigh that against your league's specific keeper cost to decide if this year's keep is worth it. The two questions need two different answers, even when they're about the same player.

Founding leagues lock in $2.00 per rostered player, forever, plus permanent Founding Franchise status in Vault history.

Next in this series: Dynasty Startup Snake Draft Strategy →