Chelsea will play a post-season friendly in the United States BEFORE the Europa League final.
The Blues will take on London rivals Arsenal in the final in Baku on May 29 after their shootout victory over Eintracht Frankfurt.
Arsenal finished their job off against Valencia before the drama at Stamford Bridge.
The two clubs continued England's domination of Europe with the final just days before Tottenham and Liverpool meet in the Champions League final.
But there is also an issue with Chelsea's preparations with a friendly planned in the US before then.
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The Blues are scheduled to meet New England Revolution in a charity match in Massachusetts on Wednesday May 15.
The match at the Gillette Stadium has been booked in since March to raise funds for anti-semitism and discrimination.
Roman Abramovich led the discussions for the match but Sarri is less than impressed.
"Unfortunately we have to go to the United States but we have 10 days to prepare for the final and we have to recover energy," Sarri told BT Sport.
"I think we played a very good first half and then we got into trouble after the break. We conceded a goal in 10 minutes of panic," he added.
"We were better in the last part of the match but we were tired in extra time and it was difficult. We started with three injuries and picked up two more during the match after we lost Andreas Christensen and Ruben Loftus-Cheek, so it wasn't easy but we are now in the final."
