The bulk of team building is complete. Between free agency and the NFL draft , teams across the league have had ample opportunities to upgrade their rosters heading into the 2026 season.  Still, every franchise has areas of its roster that can be improved. There are several free agents still on the open market, and players available through trade. For some teams, a late-season addition could put them over the top as a playoff or Super Bowl contender. For others, it could position them for success in future seasons or add intrigue ahead of the 2026 campaign. As teams begin fine-tuning their rosters ahead of training camp, here is one move every squad should still make. Arizona Cardinals: Sign a veteran edge rusher The Cardinals invested heavily in their offense during the draft and free agency, but their defense could use more firepower as well. Arizona finished tied for 28th in sacks in 2025 with 30, and is losing Calais Campbell as he heads for the Ravens .…