All players at the Atlanta Falcons have received the COVID-19 vaccine, becoming the first NFL club to see all of its players inoculated.
The players' vaccination status means they will not be subject to daily testing and will not have to wear masks around the team's facilities.
The COVID-19 vaccines have been a source of contention for some in the league, as a handful of top players have bristled at publicly disclosing their status.
- Stream the biggest moments on NOW for just £25 p/m
- NFL's search for German host: Seven cities interested
The NFL informed clubs last month that COVID-19 outbreaks among non-vaccinated players during the 2021 season could lead to forfeits and loss of pay if games cannot be rescheduled, after juggling multiple schedule changes last season to carry out its full slate of games.
Vaccination is required for all NFL coaches, front-office executives, equipment managers and scouts.
Earlier this month, head coach Bruce Arians of the reigning Super Bowl champion Tampa Bay Buccaneers told reporters he expects the team to be close to 100 per cent vaccinated for its season opener against the Dallas Cowboys on September 9.
- Download the Sky Sports Scores App: Apple | Android
- The UK's No 1 scores app: Find out more
Las Vegas Raiders will require all fans attending home games to show proof of vaccination
The policy will take effect for the first regular season home game on September 13 against Baltimore.
The Raiders will offer the opportunity for fans to receive vaccinations on site at Allegiant Stadium prior to home games. Fans who do get vaccines at the stadium will be required to wear masks until two weeks after their second shot.
For updates on preseason, be sure to follow along at skysports.com/nfl and on Twitter @SkySportsNFL.