ELEVATED RISK TMZSports.com
If Dr. Bennet Omalu -- the brain expert credited with the discovery of CTE -- was running either the NFL or the Miami Dolphins ... he tells TMZ Sports he'd force Tua Tagovailoa to retire following his latest head injury.
The inspiration for the famous Will Smith "Concussion" movie didn't mince words when talking about the matter on Friday ... saying straight up the consequences for allowing the 26-year-old back on the field after yet another concussion could be dire.