The NFL free agency period is one of the most anticipated moments of the offseason, as teams look to reshape their rosters with new talent. While negotiations begin earlier in the week, teams cannot officially sign players until the start of the new league year.
For 2026 NFL Free Agency, the official signing period begins when the 2026 NFL league year starts at 4:00 p.m. ET on Wednesday, March 11, 2026. At that moment, contracts agreed upon during the negotiating window can be finalized and announced.
Understanding how the NFL free agency timeline works can help fans follow the flurry of signings and roster moves that take place each March.
When Does the 2026 NFL Legal Tampering Period Start?
Before teams can officially sign players, the NFL allows a short negotiating window known as the legal tampering period.
For the 2026 offseason, the legal tampering period begins:
Monday, March 9, 2026 — 12:00 p.m. ET
During this two-day window, teams are allowed to contact and negotiate with agents of unrestricted free agents. While deals can be agreed upon in principle, they cannot be signed or officially announced until the new league year begins.
This is why many high-profile signings are reported days before they become official.
When Do 2026 NFL Free Agency Deals Become Official?
All agreements reached during the negotiating window become official once the league year starts.
Official start of the 2026 NFL league year:
Wednesday, March 11, 2026 — 4:00 p.m. ET
- Teams can officially sign unrestricted free agents
- Trades can become official
- The 2026 salary cap takes effect
- Player contracts negotiated earlier can be finalized
Fans often see dozens of deals announced within minutes of the league year opening.
Which Players Can Be Signed During NFL Free Agency?
The players most affected during the free agency period are unrestricted free agents (UFAs). These are players whose contracts have expired and who are free to negotiate with any team.
Other types of free agents include:
- Restricted free agents (RFAs) – players whose current team can match offers
- Exclusive rights free agents (ERFAs) – players who can only negotiate with their current team if tendered a contract
However, the majority of blockbuster moves during free agency involve unrestricted free agents.
Why the NFL Uses a Legal Tampering Window
The legal tampering period was created to bring transparency to the negotiation process. Before its introduction, teams and agents often negotiated informally before free agency opened.
Now, the two-day window allows teams to prepare agreements that can be quickly finalized once the league year begins, creating the rapid wave of signings that fans see every March.
What Happens Next After Free Agency Begins?
Once the league year opens and free agency begins, the offseason continues with several major events, including:
- Ongoing free-agent signings
- Contract restructures and roster cuts
- The 2026 NFL Draft
These moves shape the competitive landscape ahead of the upcoming season.
Final Thoughts
In 2026 NFL Free Agency, teams can officially sign players starting at 4:00 p.m. ET on Wednesday, March 11, 2026, when the new NFL league year begins. Negotiations, however, begin earlier during the legal tampering period on March 9.
This structure allows teams to prepare deals in advance, leading to the fast-paced flurry of signings that marks the start of every NFL offseason.