Football needs concussion substitutes, says Manchester City goalkeeper Ederson

Manchester City goalkeeper Ederson has backed the idea of concussion substitutes (Paul Ellis/PA).

Manchester City goalkeeper Ederson has backed calls for the introduction of concussion substitutes.

Football’s concussion protocols are again in the spotlight following a sickening clash of heads between Wolves’ Raul Jimenez and Arsenal’s David Luiz in the Premier League on Sunday.