However, he is without a club as he recovers from cruciate knee ligament damage sustained during the Europa League quarter-final against Anderlecht in April.
In one of his earlier admissions in his first season with Manchester United, Mourinho touched on his admiration for Javier Hernandez, a player, according to him, would have remained at Old Trafford under his management - which tells everything about the kind of difference the Mexican worldwide can make to any team in the league.
Those reasons for excitement include the arrival of striker Romelu Lukaku for 75 million pounds ($97.42 million) from Everton, Chelsea's Serbia midfielder Nemanja Matic (40 mln) and Sweden defender Victor Lindelof from Benfica (30 mln).
The lack of goals contributed to 10 league draws at Old Trafford that cost the club any chance of challenging Chelsea for the title.
No team has won more opening day fixtures in the Premier League than Manchester United (16, level with Chelsea).
'Last season that didn't happen much - we were focused on the goals that our striker was scoring and when he was not scoring, the team was a little bit in trouble to win matches'.
Ahead of the game, Jose Mourinho has been speaking to the media at his pre-match press conference this afternoon and he's given ManUtd.com a team news and injury update. Very experienced. They know how to play these games. Back in 1979, when we made the same step-up, we lost 4-0 at home to Arsenal.
Team-mate Ander Herrera is also desperate to hit the ground running against West Ham.
Guardiola said last month he still wants to buy another new centre back - despite spending £218 million already this summer. Will Jurgen Klopp lead Liverpool to their first Premier League title in the modern area or will Mauricio Pochettino finally take Spurs one step further?
Samir Nasri, Wilfried Bony and Jason Denayer have all been put through their paces alone as Pep prepares his squad for the new season.
"In every position, we have two very good players, so I am optimistic for this season and let's forget about Madrid". Bernardo Silva will give us options in midfield and Ederson looks like a confident goalkeeper.
"We are going to fight for all of them and we are going to improve".
"Anthony Knockaert seems to be one of Brighton's better players".
However, United's rivals have also been busy over the summer and the Premier League will see the likes of Alvaro Morata, Alexandre Lacazette, Bernardo Silva and Mohamed Salah play their football in the English top-flight in 2017/18. "I am not in a position to say I am not happy with".