Could 49ers fill edge rusher need by signing Joey Bosa in NFL free agency?

One year ago, Nick Bosa allowed himself to consider the possibility of once again taking the field with his brother.Now, the 49ers appear to have the resources and the need to make it happen.The 49ers and Nick Bosa agreed to a contract conversion to create $17.1 million in immediate salary-cap relief. And his brother, Joey Bosa, remains unsigned as an unrestricted free agent.General manager John Lynch has the cap space to make at least one more significant move to strengthen the 49ers’ roster heading into the 2026 NFL Draft.The 49ers checked a lot of boxes in the first week of the new league year with the re-signings of kicker Eddy Piñeiro and tight end Jake Tonges, and the additions of wide receiver Mike Evans, defensive tackle Osa Odighizuwa and linebacker Dre Greenlaw.That leaves edge rusher as the 49ers’ biggest need. And it is not even close.And that is where Joey Bosa can help.The 49ers expect Nick Bosa and Mykel Williams to return to form after their seasons were cut short due to significant knee injuries.It is not exactly a robust market for defensive ends, and Joey Bosa is at or near the top of a group of available players that includes such...