The top free agents have been signed, and the 2026 NFL Draft is now behind us. This means most NFL offenses are now complete, and we have a very good idea of how these offenses will look in 2026. Here we are going to rank them. These are the five worst offenses in all of fantasy football heading into the 2026 season. This one was much harder to narrow down to five than the top five fantasy football offenses. 5. Las Vegas Raiders The Raiders have some hope and young talent, but most of that young talent is unproven. They drafted Fernando Mendoza with the first overall pick, but there is still a chance that Kirk Cousins starts the year as the starter. There are still plenty of questions at quarterback. Everyone has high hopes for Ashton Jeanty, but he disappointed as a rookie. Whether you blame him or the offense doesn't really matter. What matters is that he is more productive moving forward.…