Perhaps now we all understand why Chelsea made such a big loss on bringing Nemanja Matic back to Stamford Bridge after the Serbian midfielder improved markedly at Benfica.
Matic played just his third appearance since returning to Chelsea and was instrumental in the huge 1-0 win at Manchester City on Monday night.
Alongside David Luiz, Matic nullified the threat of Yaya Toure and made Martin Demichelis look like a defender playing in midfield.
The 25-year-old Serbian looks like the prototype midfielder every top side needs. Strong in the tackle. Comfortable with the ball at his feet.
And, Matic was unlucky to see a strike cannon back off the bar early in the second half.
To think Manchester United paid seven million pounds more for Marouane Fellaini!