As Damar Hamlin Stays in Hospital, N.F.L. Won't Resume Suspended Game This Week - The New York Times
The Athletic Quotes Dr. Williams: Tua Tagovailoa is learning how to fall: Could jiu-jitsu help save his career?
Despite Injuries, Several Quarterbacks Play On - The New York Times
How does NFL's concussion protocol work? Questions surrounding Tua Tagovailoa - The Athletic
Concussion controversy: Traumatic brain injury gets more attention after NFL player incident
How does the NFL's concussion protocol work? Explaining the five-step process for return to play
Head Injuries in Football - The New York Times
N.F.L. Week 15 Picks Against the Spread - The New York Times
Despite Injuries, Several Quarterbacks Play On - The New York Times