While quite a number of outstanding issues between the NFL and the NFLPA have been successfully resolved already, or in the final stages of resolution, there is one big project remaining that the two sides want to have settled before training camps open: how to handle the economic impact of the Covid-19 pandemic relative to the salary cap and player compensation.
A number of teams or local governments have already announced that games in their stadiums this season will not be played in front of fans. Others are still planning for partial-capacity attendance for their games, but even that can change by the time we actually see a game played, which is at least a month and a half away—possibly more, depending upon the circumstances that arise during the intervening weeks.