The Emirates FA Cup semi-finals take place at Wembley Stadium this week, as Manchester City face Liverpool before Chelsea take on Crystal Palace with a place in the Final on offer for the winners.
And ahead of the ties, we can now confirm the teams of match officials have now been confirmed.
Manchester City v Liverpool
3.30pm BST, Saturday 16 April
Referee: Michael Oliver
Assistant Referees: Stuart Burt and Simon Bennett
Fourth Official: Kevin Friend
Reserve Assistant: Marc Perry
VAR: Darren England
AVAR: Lee Betts
Chelsea v Crystal Palace
4.30pm BST, Sunday 17 April
Referee: Anthony Taylor
Assistant Referees: Gary Beswick and Adam Nunn
Fourth Official: David Coote
Reserve Assistant: Nick Hopton
VAR: John Brooks
AVAR: Daniel Robathan