Free agency begins Monday when the official legal tampering commences. Teams are permitted to contact and enter into negotiations with players who have become unrestricted free agents. This means there are a going to be a lot of big-name players switching teams. The Dallas Cowboys haven’t been very active in going after the top free agent talent, but that doesn’t mean fans shouldn’t stay on top of what’s happening. What teams within the division do should be of interest as well as their rivals look to revamp their team for the 2019 season. Here are five big moves that will have some type of impact to the Cowboys.