Newcastle's hopes of making the NRL finals have been dealt a hammering with the club confirming that stars Dylan Lucas and Dylan Brown have sustained season-ending injuries. Advertisement AdvertisementAdvertisement AdvertisementThe left knee injury means the Knights' $13 million signing will undergo surgery after being instrumental in their top-eight push this season. Scans revealed the second-rower had dislocated and fractured his left ankle and his timeline for return will be determined following surgery. Dylan Lucas leaves the field on a medi-cab during a tough night for Newcastle. Scans revealed he has escaped with only a low-grade strain, and Melbourne expect him to be available following their round-24 bye.