Between a few big trades and a flurry of activity among the players who did reach free agency, there were opportunities for aggressive teams to improve. And some teams took some hits with players leaving.

NFL league year began March 12 with the tampering window opening spending on March 10. Here's who has the most salary cap space and least.

NFL free agency is ongoing, but plenty of teams, like the Patriots and Commanders, have already significantly improved their rosters.