NFL Sunday had a shadow cast over it after the frightening concussion that Dolphins quarterback Tua Tagovailoa suffered on Thursday Night Football.
Now, the NFL and its Players Association say they will make changes to the league's concussion protocol, and the Doctor who cleared Tua to play that night despite exhibiting concussion-like symptoms the previous Sunday, has been fired.
For more, KCBS Radio news anchor Liz Saint John spoke to Sports Medicine Physician, Dr. A.K. Misra.