NFL concussion protocol: What are the steps for return to play?

Texans rookie C.J. Stroud in NFL concussion protocol: Here's what that means

How the NFL's concussion-spotting system is working, and isn't

How does NFL protocol work? What does Tua Tagovailoa's hit mean?

Players Reminded About Concussion Guidelines - Essex FA

NFL faces intense scrutiny over concussion protocols

Tua Tagovailoa faces 5-step recovery process to return to play

How does the NFL's concussion protocol work?

NFL concussion protocol: What are the steps for return to play?

NFL Return-To-Participation Protocol

Concussion Protocol & Return-to-Participation Protocol: Overview

What is the NFL concussion protocol and how do players get activated?

NFL-NFLPA agree to a change in concussion protocols

NFL Health and Safety Fact Sheet

What is the NFL's concussion protocol?

Source - NFLPA wants review of concussion protocols after Miami Dolphins QB Tua Tagovailoa's quick return to game - ESPN