Aston Villa boss Unai Emery has no doubt that Graham Potter can handle the Chelsea job.
Emery takes Villa to Stamford Bridge on Saturday.
On Potter, he said: "They [Chelsea] have very good players and their coach [Potter] is amazing.
"His work in Brighton was amazing and he needs time to adapt his ideas to Chelsea. Progressively, they are doing better.
"He deserved to take a step ahead with a team like Chelsea - They are progressing, and everything he did in Brighton he can do in Chelsea. He needs time, he needs matches and to know his players better.
"They played very well in the Champions League. In the Premier League, they're not keeping the balance of being consistent in the table."
Emery also said: "For us, Saturday is a match against one of the best teams in the Premier League, with a very good coach, with very good players.
"It's a very good challenge, and I came here because I want to play against the best teams.
"We are in the same position. We are 11th but are close and with the same points as Chelsea. We are close to teams that are having a very good season - Fulham, Brentford, Brighton."
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