After James opened the scoring, Havertz netted twice and Christian Pulisic sealed the victory on Saturday.
Goals from Reece James, Christian Pulisic and a Kai Havertz double helped the Blues secure all three points.
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For the FA Cup clash, Tuchel had made nine changes to his starting line-up following Sunday’s Carabao Cup final defeat against Liverpool.
Takumi Minamino scored twice in the first half to give the Reds a 2-1 win against Norwich City in the FA Cup at Anfield.
The youngster has been an important part of the blues’ defence this campaign and has also chipped in with the odd goal.
The German would love to be part of another Wembley final, which might happen in the form of the FA Cup.
Kelleher started the pulsating final against the Blues at Wembley and secured a clean sheet during 120 minutes of action.
Jurgen Klopp’s side won Carabao Cup on penalties 11-10 after Chelsea’s goalkeeper Kepa Arrizabalaga skied his kick over the crossbar.
The Reds survived a lengthy penalty shootout against Chelsea 11-10 at Wembley on Sunday to clinch the Carabao Cup.