Maurizio Sarri admitted Chelsea rode their luck to reach the Europa League final as Kepa Arrizabalaga's penalty heroics clinched a dramatic 4-3 shoot-out win against Eintracht Frankfurt on Thursday.
Sarri's side will face London rivals Arsenal in an all-Premier League final in Baku on May 29 as for the first time all four finalists in the Champions and Europa League come from England.