The Danish star will make his Brentford debut on Saturday night Premier League action against Newcastle United.
Four months into his reign in north London Antonio Conte was to be found noting the numerical weakening of his first team;.
Manchester United have won six out of their last eight games against Brighton & Hove Albion in all competitions.
The Egyptian is set to return from national duty and help Liverpool in their next Premier League clash.
The 18-year-old was back in the Reds’ matchday squad for the first time since September following an ankle injury.
Chelsea needed extra-time and a late Kepa Arrizabalaga penalty save to see off Plymouth Argyle in the FA Cup in their fourth-round match.
Thomas Tuchel is isolating and was not with the squad for Chelsea's FA Cup fourth-round tie against Plymouth Argyle.
Julian Alvarez has signed a five-and-a-half-year contract with the Premier League champions though will only join up in summer.
Greenwood, 20, will not play or train for United while police and the club investigate the circumstances surrounding the evidence.
Eriksen has previously worked with Brentford manager Thomas Frank, who was coach of the Denmark under-17 team.