West Ham’s Diop becomes first concussion sub By webmaster - February 9, 2021 300 0 West Ham made the first concussion substitution in English football as defender Issa Diop went off during Tuesday’s FA Cup tie at Manchester United. RELATED ARTICLES Sports Vinicius Jr to stay at Real Madrid beyond this summer Sports Scandinavia retains Goodwood Cup crown after eventful race Sports West Ham latest: Ajax and Real Sociedad interested in Alvarez
