Mason replaced for Sheff Utd-Liverpool game with injury By webmaster - February 28, 2021 321 0 Referee Lee Mason has been replaced as fourth official for Sunday’s match between Sheffield United and Liverpool due to injury. RELATED ARTICLES Sports A SICKENER! Dzambekov KOs Parker with vicious body shot Sports Heavy rain causes chaos before Qualifying is red flagged in Sao Paulo! Sports IN FULL! Watch Vinnie Kemp drops EPIC post fight interview!