Three weeks of preseason football (or four if you're a member of the Detroit Lions or Los Angeles Chargers) have kept teams busy for the last month. Franchises across the league have made roster moves to fill gaps and shore up positions affected by injuries.

The first week of the NFL preseason features all 32 teams in action, but not all stars will suit up. Here's what to know.

NFL Preseason Week 1 is nearly here, and all 32 teams are set to take the field through the weekend to showcase veterans, free agent signings, and rookies before the kickoff the the regular season. More news: What is Rashawn Slater's Contract? Chargers Lose Star OL for 2025 Season