Key takeaways
- A free agent is a player whose contract has expired and who may sign with any team; no compensation is owed to the previous club.
- Restricted free agency lets the original team match an outside offer, which suppresses the market for those players considerably.
- Free agency systematically overpays, because the market prices past performance while buying future performance from players who are, by definition, older.
- The best use of free agency is filling a specific identified hole, not acquiring the best available player.
- Cap space is an asset. Spending it on a player you did not need is more expensive than it looks.
A free agent is a player whose contract has expired and who may sign with anyone. Because there is no contract left to buy out, no compensation is owed to the previous club, so the money that would have been a transfer fee goes to the player instead.
That single structural fact explains most of free agency's behaviour, including why it tends to be expensive.
Restricted versus unrestricted
Unrestricted free agents can sign anywhere with no involvement from their previous team.
Restricted free agents can negotiate, but their original team retains a right — most commonly the right to match any offer. Some systems instead award compensation to the losing team.
The matching right has a strong chilling effect. A rival team knows that if it makes a good offer, the original club will simply match it and keep the player, so the rival has spent effort and cap flexibility for nothing. Rational rivals therefore make fewer offers, which is exactly why the rule exists: it keeps players with their existing teams cheaply.
Why the market overpays
This is the single most useful thing to understand about free agency, and it is structural rather than a story about foolish executives.
You are buying the future and pricing the past. A player's market value is set by what they have already done. What you receive is what they do next — and they are older than the record you paid for.
Several buyers bid at once. In an auction, the winner is the bidder with the most optimistic valuation. If ten teams evaluate a player reasonably and one evaluates them generously, the generous one signs them. The winning bid is systematically the highest error in the room. This is the winner's curse, and free agency is a textbook instance of it.
Contract-year performance is selected for. Players reach free agency after a season that convinced someone to pay. Unusually good seasons are, on average, followed by more ordinary ones.
None of that means free agency is a mistake. It means the price is high, and the decision has to be worth a high price.
Using it well
Four rules that hold across sports and across simulations:
1. Fill a hole, do not collect quality. Squads fail from unfilled roles more often than from insufficient star power. The right question is "which position is costing me results", not "who is the best player available".
2. Prefer short contracts at a high price to long contracts at a fair one. Overpaying for two years is recoverable. Overpaying for six is a structural problem that constrains every future decision.
3. Treat cap space as an asset. Unspent flexibility has value: it lets you absorb a contract in a trade, or react next season. Spending it on a player you did not need converts an asset into a liability. Salary cap basics for GM games covers this properly.
4. Know which phase you are in. A contending team should pay a premium for the piece that completes it. A rebuilding team should almost never sign an expensive free agent, because the value arrives before the team is ready to use it. Rebuild versus retool covers deciding which you are.
Free agency versus the draft
| Draft | Free agency | |
|---|---|---|
| Cost per unit of quality | Low | High |
| Certainty | Low | Higher |
| Speed | Slow | Immediate |
| Age profile | Young | Older |
| Best for | Building | Finishing |
The two are complements rather than alternatives. Teams that draft well can afford to be selective in free agency; teams that draft badly are forced into it, and pay accordingly.
In association football the equivalent market works differently, because contracts can be bought out mid-term — how football transfers and contracts work covers that system, where contract length drives price rather than gating access.
In a simulation
Our draft and GM games are built around the selection problem rather than around a full free-agency calendar, but the reasoning transfers directly to how you allocate a constrained budget.
Pro Basketball GM Franchise includes a salary-cap draft format where every selection has a price as well as a rating, which reproduces the core free-agency tension: the best player is not always the best purchase. 162-0 Baseball Draft & GM Team includes payroll-focused drafting and payroll review in its GM mode.
The practical skill in both is the same one free agency demands: knowing what a marginal upgrade is actually worth to your roster, and refusing to pay more than that. What makes a good draft board covers finding those values before you are under time pressure.
Every league, team and player in our games is fictional, and nothing here describes any specific league's current free-agency rules — those are set individually and change frequently. The catalogue is under sports career and GM games.
Good to know
Frequently asked questions
What is a free agent?
What is the difference between restricted and unrestricted free agency?
Why do free agents get overpaid?
When should a GM use free agency?
Is drafting better than signing free agents?
Sources
- Official Basketball Rules (opens in a new tab)FIBA — accessed
- Laws of the Game documents (opens in a new tab)The International Football Association Board (IFAB) — accessed