New Everton signing Allan is one of the best defensive midfielders in world football, according to Toffees boss Carlo Ancelotti.
Everton confirmed the signing of Allan from Napoli on Saturday, with the 29-year-old having penned a three-year contract at Goodison Park.
Allan was one of the most consistent performers for the Serie A side under both Maurizio Sarri and Ancelotti, but fell out of favour under Gennaro Gattuso.
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Ancelotti was keen to be reunited with the Brazil international – who has made nine appearances for his country – at Everton, and a deal worth £22 million ($30m) plus add-ons was struck.