"It's not worth discussing as he cost a lot of money - we don't have that sort of money, that's for sure," said Moyes.
"If somebody said I'd take a striker on loan and he'd score five goals, I'd have said 'That will do me'. You have to give him a lot of credit."
"Away from home we still have to see him do more.
"That has been a bit of a concern, but his goals at home have been invaluable.
"He has a really good record, and let's hope he keeps it up.
"If he does then he will have proven a really good signing, which isn't easy to get in January."