Phillip Cocu has been appointed as Frank Lampard's successor at Derby County, the Championship club have confirmed.
Lampard was officially unveiled as Chelsea's new manager on Thursday, following an impressive debut season in management with Derby last term.
The Rams made it to the play-off final but went down 2-1 to Aston Villa in May's showpiece at Wembley.
And Derby have now announced Lampard's replacement, with former PSV and Fenerbahce coach Cocu handed a four-year contract at Pride Park.

Phillip Cocu replaces Lampard at Derby County
Phillip Cocu replaces Lampard at Derby County
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