With xhaka and ozil behind him yes, but he isn't of the same class as guy like alexis yet.
However I still think he can score 20 plus goals us this season. What we needed was somebody with pace and composure.
Welbeck was almost perfect until the time came to shoot at goal
Lacazette has shown in France he is far greater technical ability and compose as compared to welbeck to go along with his pace and power. The only obvious thing he lacks is height