Tua Tagovailoa is one of the NFL's rising stars, signing a four-year, $212.4 million contract extension earlier this year.
So, why is the 26-year-old, father of two, one of the biggest stories in the world? And why does every sporting code from Miami to Melbourne need to watch what happens next in his career?
This episode of Leave it To The Experts looks at brain injuries, their impact on the lives of sportsmen and how we can protect both the athletes and the multi-billion dollar sporting industry across the world.
Our experts are:
Alan J Pearce a neurophysiologist, focussing on concussion and CTE research at Swinburne University.
Stephen Townsend is an historian of sport and health at The University of Queensland.
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