Tua Tagovailoa's parents give update on NFL star amid retirement
Investigation: Dolphins followed protocol in Tua concussion check
Dolphins vs Bills: NFLPA to initiate review into handling of Tua
Tua Tagovailoa's latest concussion to be investigated by NFL, NFLPA
McDaniel: Tua suffered concussion in loss to Packers
NFLPA seeks probe into Dolphins' handling of Tua Tagovailoa's injury
Tua Tagovailoa Injury Investigation Released by NFL, NFLPA: What
NFL under fire over its concussion protocol following Tua
Source - NFLPA wants review of concussion protocols after Miami
NFL, players' union agree to modify concussion protocol after
Dolphins QB Tua Tagovailoa will likely miss Sunday's game against
NFL, NFLPA: Tua Tagovailoa's latest concussion handled appropriately
The ramifications of NFLPA's decision to fire doctor who evaluated
NFL's concussion protocol modified after Tua Tagovailoa review
Dolphins followed concussion protocol with Tagovailoa's injury