Ange Postecoglou will pose the question to his players: 'Why can't we beat Manchester United?'.
"Why not! That's what I keep saying," he told au.fourfourtwo.com. "On a level playing field you'd probably say no. It's almost impossible.
"But in a one-off game, particularly in this scenario, it's what you want to go for.
"I think on both fronts, though, it's important in both games that we show our league as a good standard. I'm really interested in the quality of our football as much as results.