Neuroscientist, former wrestler Chris Nowinski concludes Tua Tagovailoa 'suffered traumatic brain injury'

The Buffalo Bills beat the Miami Dolphins on ‘Thursday Night Football,’ and Tua Tagovailoa suffered another concussion during the loss. Colin Cowherd discusses the ramifications of this injury and if Tua should retire.

Miami Dolphins quarterback Tua Tagovailoa has dealt with a series of concussions over the past 24 months.

The latest head injury happened during the Dolphins' 31-10 loss to the Buffalo Bills in the first "Thursday Night Football" game of the season. Tagovailoa collided with Bills safety Damar Hamlin in the second half, resulting in the third confirmed concussion the quarterback has been diagnosed with since he entered the NFL.

Thursday's health scare again sparked debate about whether the 26-year-old quarterback should step away from football. 

Neuroscientist Chris Nowinski, a former professional wrestler who also played college football at Harvard, weighed in on Tagovailoa's situation.

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Tua Tagovailoa of the Miami Dolphins before a game against the Buffalo Bills at Hard Rock Stadium Sept. 12, 2024, in Miami Gardens, Fla.  (Megan Briggs/Getty Images)

"Tua suffered a traumatic brain injury on this play, no question," Nowinski wrote on X, formerly Twitter. "His right arm shows the "fencing posture" indicating loss of consciousness & is on the severe end on the #concussion spectrum. He is done for the night and must miss the next game."

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Nowinski last competed in WWE in 2003 under the name Chris Harvard. Since stepping away from professional competition, Nowinski has become one of the more prominent voices for concussion awareness. 

He also holds a Ph.D.