Sunderland travel to Manchester City tonight in a dress rehearsal for next month's League Cup Final.
The Black Cats head for the Etihad Stadium having slipped back to the fringes of the fight for Barclays Premier League survival following Saturday's 2-0 defeat by Hull.
Poyet said a win would depend on many different factors.
Newcastle United are also in action this evening. They play Spurs at St James' Park.
Manager Alan Pardew said it will be essential for the players to go into the match with confidence.