NFL says regular-season concussions increased 18% in 2022 - ESPN
NFL to tweak concussion protocol after frightening injuries
Tua Tagovailoa injury updates: Dolphins quarterback in concussion protocol in Week 17 - The Phinsider
Anthony Richardson clears concussion protocol, will start for Colts vs. Rams in Week 4
WR Injury Report Week 16: Diontae Johnson, Marquise Brown, Courtland Sutton, Brandin Cooks, and More
Concussion Watch: NFL Head Injuries in Week 15
Concussion Watch: NFL Head Injuries in Week 4
NFL 2022 Week 16 injury report roundup: Bradley Chubb, Jaelan Phillips questionable - NBC Sports
Practice notebook: Colts QB Anthony Richardson, C Ryan Kelly return but remain in NFL concussion protocol
Analysis: NFL isn't passing the eye test on head injuries
Injury report: Denzel Ward clears concussion protocol ahead Week 1 against the Bengals