The 18-year-old winger, whose contract expires in June 2020, is reportedly a target for Bayern Munich.
"He is a very interesting player whom we absolutely want to sign up", the former Bayern player said. Three is hard, but now he is ready. He's not at a mid-table club thinking 'why am I not playing?' it's Willian, Pedro, proper players.
"I've always wanted to play in the Premier League and I'm looking forward to it", Pulisic told reporters, according to FourFourTwo.More news: Poland arrests Huawei employee on spying charges
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Last month, Chelsea fans were criticised by chairman Bruce Buck and investigated by European football's governing body Uefa after they sang an anti-Semitic chant about Tottenham supporters during the Europa League tie with MOL Vidi in Hungary. "He is very young but he is improving, especially in the defensive phase". I think [it has been emotional] not just for him, for everybody.
'But I think now he is ready. "He is an English player, he is very young and I think he has a very good future here; with the England team and with Chelsea".
Should he leave he would follow the likes of Jadon Sancho, who plays for Borussia Dortmund, and Reiss Nelson, who is loan at Hoffenheim from Arsenal, by getting the chance to prove his worth in first-team action in the Bundesliga.
Sarri said he did not know whether Fabregas had used a rest day on Sunday to fly to Monaco and finalise personal terms, but the Spaniard is a doubt for Tuesday's Carabao Cup semifinal first leg against Tottenham with cramp.