NRL 2018 finals: Melbourne Storm vs Cronulla Sharks live from AAMI Park.Luke Lewis will lead the Sharks in the absence of Paul Gallen. NRL 2018: Preliminary final, Melbourne v Cronulla, at AAMI Park from 7.40pm.Three years after knocking back the captaincy at the first time of asking, Luke Lewis will run out as sole leader of Cronulla for the maiden time in potentially his last NRL game tonight, AAP reports. The retiring Lewis will replace Paul Gallen as Sharks skipper in the preliminary final against Melbourne, after the Cronulla lock was ruled out on late Thursday evening with a shoulder injury.