I know it's silly, but Barmore coming back healthy could be just the thing this team needs to push them into being an over .500 team. The DL has been a weakness but has been improving, and getting an elite DT like Barmore plugged back in would be huge. That puts more pressure on the other offense which lets the DBs make more plays, and takes some of the pressure off the LBs. They're adding Ngakoue may also.
If you simultaneously get some steady offensive improvement, through Maye improving his game, AVP seemingly just getting a little better at his job weekly, and the young WRs slowly improving, that can cumulatively create a team that goes 4-2 in the next 6 games. Let's say they beat the Rams, Colts, Cardinals and Chargers, and lose to the Dolphins and Bills. That puts them at 7-9 going into the final week possibly facing a "win and you're in" game for the 7th seed depending on how things shake out, against the Bills in Foxboro, who could very well be resting starters.