Mike McDaniel says Dolphins followed concussion protocol with Tua Tagovailoa: 'We don't mess with that'
Miami Dolphins QB Tua Tagovailoa has concussion, no timetable for return
Lessons to learn after suffering a concussion
Tua Tagovailoa took two big hits in a week. What is NFL protocol on concussions? : NPR
Tua Tagovailoa officially out with concussion at New England
Concussion Expert Rages After Miami Dolphins QB Tua Tagovailoa Suffers Second Head Injury in a Week
Dolphins' Tagovailoa has concussion, no timetable for return - The San Diego Union-Tribune
Doctor Who Examined Dolphins' Tua Tagovailoa Is Dismissed - The New York Times
Dolphins QB Tua Tagovailoa enters concussion protocol ahead of Patriots game - Pats Pulpit
Despite Injuries, Several Quarterbacks Play On - The New York Times
Concussion confirmed for Miami Dolphins quarterback Tua Tagovailoa - The Phinsider