Kansas City Chiefs linebackers coach Britt Reid has been suspended from the team ... as police investigate his involvement in a bad car accident that left a 5-year-old girl fighting for her life.
As we previously reported, cops say Reid admitted to consuming alcohol and Adderall before a bad 3-car crash around 9 PM Thursday night that left a child in critical condition.
The child's family members say the girl suffered major brain damage in the accident ... including swelling and internal bleeding. She has not woken up since the crash.