Top 10 best NFL free agent acquisitions through Week 5: Kenneth Walker III, Mike Evans on top

A look at the biggest game-changing free agents through the first five weeks of the 2026 NFL season and how they Free agency in the National Football League is different from almost any other North American professional sport. In basketball or baseball, an impactful player going from one team to another is seemingly almost guaranteed to be a very similar player in their new home. That's not always the case in football with the major differences in how NFL teams organize their schemes, playbooks and play calls. However, the free agents who continue to ball out in their new homes really pop. Obviously, the first two that come to mind are two game-changing contributors to two undefeated teams: Kansas City Chiefs running back Kenneth Walker III and San Francisco 49ers wide receiver Mike Evans.

Walker is extending quarterback Patrick Mahomes' career with his historic rushing production early on, and Evans is helping Purdy make an early-season MVP case. Which 2026 free agents stand out as game-changers for their new squads through the first five weeks of the new season? Let's take a look at the top 10. The Carolina Panthers (2-2) are atop the NFC South through the first five weeks of the 2026 NFL season, and it's partially because of Devin Lloyd's playmaking. In Carolina's Week 2 demolition of