"It is an area we tried to strengthen last summer and I don't think that's left us," Ferguson told the Manchester Evening News.
"I have big hopes for Danny Welbeck and he's progressing well but he's young. And we have Fraizer Campbell coming back who has done well at Hull, but he's young as well.
"Benzema is only 20 and Ben Arfa is also 20. Lyons produce young players and Benzema is a local boy, which I'm sure gives them pride."