They came from behind at the weekend to beat Middlesbrough 2-1, a win which saw a change of shape for North End boss Ryan Lowe.
Switching from his usual 3-5-2 formation, Lowe instead opted for a 4-3-3 and it proved successful.
Will he keep with that shape for the visit of the Swans, who also like to play 4-3-3, or will be a return to the usual for the Lilywhites?
9. RW: Robbie Brady
A big player for Ryan Lowe who does need to do more, in a squad lacking in wingers his involvement being significant will be important. Photo: CameraSport - Dave Howarth
10. ST: Emil Riis
Fresh off the back of a thumping strike at the weekend, North End's chief goal threat needs to start again. Photo: CameraSport - Dave Howarth
11. LW: Ben Woodburn
A willing runner and very good off the ball when it comes to pressing, the Welshman could be important to how Ryan Lowe sets up against the Swans. Photo: CameraSport - Dave Howarth