Brain injury charity Headway wants in independent review of the implementation of concussion protocols in professional football in England.
Anthony Martial played on after suffering a head injury in Manchester United's Premier League defeat to Watford and brain injury charity Headway have called for a review on concussion protocols in football.
A clash of heads with Daryl Janmaat in the 26th minute of Sunday's match at Vicarage Road left the Dutchman and Martial requiring medical attention.
Both played on, but a challenge eight minutes later left the United forward looking groggy as he made his way off when being replaced by Ashley Young.