Although omitted from Argentina's World Cup squad, a particular hurt as he has a tattoo of their then coach Diego Maradona, Lucho is hardly short of confidence as heard in his appraisal of Wednesday's guests.
"Manchester United are a big club with great players but they can lose," said Lucho, referring to the shock defeat against Wolverhampton.
"They have already lost. There is no reason for us to be scared. We can beat them."