The Italy midfielder initially struggled in his first season at Stamford Bridge, drawing boos and jeers from his own supporters.
However, the 28-year-old has enjoyed a dramatic turnaround after leading Chelsea to the Champions League title last season.
And Jorginho has opened up on how he adapted his game to suit English football.
"There was more contact, more tackles, more fighting for the ball than just tactical games," Jorginho told the official Chelsea programme.
"So that was really different, and when I first moved it was not just different, but really hard as well.
"I had to adapt myself, I had to improve, I had to learn and I'm grateful that I came here, where I could learn from this amazing championship that is the Premier League.
"I think I've learned a lot and I've improved a lot defensively and also in terms of intensity and putting in the energy and tackles. The benefits come from adapting to these things because if you don't adapt yourself here, you need to leave. So I adapted, I learned a lot and I'm really glad about that."
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