Frank Lampard's "ruthless" streak in the dugout comes from Jose Mourinho's early days at Chelsea, according to Tony Cascarino.
Chelsea legend Lampard returned to Stamford Bridge last summer after beginning his coaching career at Derby County, succeeding Maurizio Sarri in the hot seat.
He has since set about stamping his own mark on the squad while implementing a fresh attack-minded philosophy, which has included the integration of several academy prospects into the senior fold.
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Lampard has been unafraid to drop household names in favour of up and coming youngsters, with the likes of Mason Mount, Tammy Abraham, Reece James and Fikayo Tomori all emerging as stars in 2019-20.