Robins accepts their rank underdogs facing former club Manchester United.
"First and foremost, we've got to be right. We've lost three of our last four, it's not brilliant form that's for sure at this stage of the season," said Robins.
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"People have been talking about, has there been one eye on this game? I doubt it, although you could be forgiven for thinking about the game before it's played."
He added: "We know they are clearly favourites to win this game by a million miles, they are expected to win, it's as simple as that."