Mason Greenwood's renaissance methods are revealed by Roberto De Zerbi, with one family member playing a key role - but Marseille manager warns forward still 'wastes his potential'
The forward's brace against Montpellier on Saturday comes after he was the subject of several damning reports that have raised questions over his attitude and work rate.
The forward's brace against Montpellier on Saturday comes after he was the subject of several damning reports that have raised questions over his attitude and work rate.
