NFL free agency has kicked off with the legal negotiation window -- which began at noon ET on Monday -- and players will be able to officially sign with new teams after 4 p.m. ET on Wednesday, which is the start of the new league year. There has already been plenty of action.

NFL free agency can be a platform for teams to address their needs. But it can also create or exacerbate issues, as several franchises have learned.

NFL free agency continues to unfold. While we've already entered the second wave, and most of the big-name free agents are off the board, there's still value to be found on the open market. While some of the top remaining stars are still weighing decisions and/or setting up visits,