Chiefs' Clyde Edwards-Helaire to Miss Start of Season Due to PTSD

Kansas City places running back on non-football illness list, sidelining him for at least four games.

Edwards-Helaire has been dealing with PTSD since a 2018 incident involving gun violence.
The running back has experienced severe physical symptoms, including vomiting and hospital visits.
Chiefs recently signed Samaje Perine to bolster their running back depth.
Edwards-Helaire has been a backup to Isiah Pacheco for the past two seasons.
Kansas City aims to defend their Super Bowl title starting against the Baltimore Ravens.