It is easy to suggest that he has exceeded all expectations, even after impressing in Italy with Fiorentina and Roma, but the talented forward does not see things that way, telling FourFourTwo: "I don't want to seem arrogant".
This season alone, the three of them have contributed directly to 88 goals scored while Chelsea have only scored 77 as a squad this season.
Salah had a less than successful time under Mourinho at Chelsea and went on to play just 19 times in two years at Stamford Bridge, leaving the club twice on loan.
And Salah has revealed the pair had a chat when the two met at Anfield earlier in the season, with Manchester United earning a 0-0 draw with Liverpool.
In response, he admitted: "Come on, I know I'm good!"
"I have loved the club since I was young and knew this was a team I wanted to play for".
"But at the end of the day I think it's a bit different than Coutinho".
"I knew the history this club has and, as soon as I got the chance, I had to make it happen".
"I'm happy scoring goals for the club I supported as a kid - that's all that matters", the 25-year-old said.
'We want to push ourselves to win something.