Mevlut Erding grabbed a hat-trick as Metz romped to a 3-0 win at Nantes to maintain their impressive start to the Ligue 1 season.The Turkey forward opened the scoring with a clinical finish from Opa Nguette's pass after 18 minutes.Erding made it two in first-half stoppage time with another shot from just inside the penalty area.And he completed his treble from the penalty spot with nine minutes remaining.Oswaldo Vizcarrondo was booked for a foul on Ismaila Sarr and Erding slammed his spot-kick into the top-right corner to wrap up a comprehensive win for the visitors.