Dolphins' Tua Tagovailoa suffers scary head injury, leaves in ambulance – NBC Sports Boston
Dolphins QB Tua Tagovailoa discharged from hospital Thursday after suffering concussion vs. Bengals
NFL's concussion protocol modified after Tagovailoa review
League will review decision to let Tua Tagovailoa play after possible head injury - The Boston Globe
Explaining the NFL's latest concussion controversy and policy change : NPR
Tua Tagovailoa's Injury: The NFL must change its concussion protocol rules – Five Reasons Sports Network
AP source: NFL, NFLPA reviewing Tagovailoa's quick return
Tua Tagovailoa Rule? NFL, NFLPA reportedly working on change preventing players' return after 'instability'
Tua Tagovailoa's head injury has put focus on NFL concussion protocol
Dolphins' Tagovailoa injures head, stumbles, returns anyway
Tua Tagovailoa's head injury puts NFL concussion protocol under scrutiny - The Washington Post
Report: NFL, NFLPA Agree to Modify Concussion Protocol amid Tua Tagovailoa Probe, News, Scores, Highlights, Stats, and Rumors
Dolphins QB Tua Tagovailoa not in concussion protocol National News - Bally Sports
NFL player Tua Tagovailoa's concussion might have been prevented with rugby's stricter protocols