Despite being just 25, Lukaku is already comfortably within the Premier League 100 club thanks to the 105 goals for West Brom, Everton and Manchester United, and he is already the all-time leading goalscorer for Belgium with 45 goals in 79 global appearances.
"I hate going back and saying "when we played, we did this and we did that", but I look at the current squad of players and I don't think there's a lack of quality there. He was the one who brought me to Chelsea and he took me with him to Madrid to play under him", said Essien.
Carrick was a key player for Manchester United under Sir Alex Ferguson, David Moyes, Louis van Gaal and Mourinho.
Manchester United star Paul Pogba could be on his way to Spanish champions Barcelona in January after his agent Mino Raiola has reportedly agreed a deal in principle with the Catalans.
I do think they miss a couple of real class players that other top teams seem to have - a link player and also a controlling midfield player.
"The signing felt like it happened just to stop Man City signing him".
With both players' contracts running out next summer, many expected Mata to be let go by Mourinho once again having sold him during their time together at Chelsea. "I feel like people at Liverpool and Man City are looking at us and laughing as we did at them many years ago".
The Portuguese manager appears to have got to the stage in where his management of a team begins to crumble and frustrations have started to rise.
He added: 'With Sarri coming in it's a complete style change really and the way they've started has been very successful.
"This season seems a bit hard now but the season is still long and they still have a lot of competitions to play".