The legacy of Emmitt Smith is heading to the NFL again—this time through his son, EJ Smith, who has officially signed with the Kansas City Chiefs as an undrafted free agent. According to NBC News , EJ Smith made the announcement himself, confirming the move shortly after the 2026 NFL Draft wrapped. Despite early buzz linking him to the Dallas Cowboys—his father’s former team—following a pre-draft workout, the younger Smith opted for a different path. And despite being the son of the league’s all-time leading rusher, the younger Smith made clear, with his announcement, that he’s on a journey all his own. “Excited to officially sign with the Kansas City Chiefs as a free agent,” Smith wrote on Instagram. “Nothing is given. Everything is earned. I’m ready to work, learn, and prove myself every single day.” He added that the journey “hasn’t been easy,” crediting his support system while emphasizing that he’s “grateful” for the opportunity. That’s no small task considering the résumé attached to his last name.…