The Belgium international is still to find his rhythm after having surgery on his broken ankle in the summer.
After missing the start of the season, the former Lille man is now back in Antonio Conte's first-team plans and he started on Wednesday in the Champions League.
He helped the Blues record a 2-1 victory over Atletico Madrid and Morata believes he belongs in the same bracket as Cristiano Ronaldo and Lionel Messi.
Morata told reporters: "It's not difficult playing with this kind of player. He's one of the three best players in the world. It's easy for me playing with him."
The duo are now hoping to push the Blues to win more silverware this season and Morata insists he is enjoying himself since his switch from Real Madrid in the summer.
He added: "I came to Chelsea because one club and one coach believed in me. I'm very happy."