But how does John Mousinho approach the game, as he goes in search of a massive three points in the bid to stay in the second tier?
Mousinho has indicated there will be changes for the meeting with John Eustace’s side - and this is how Pompey writer Jordan Cross thinks he will go.
9. RW Matt Ritchie
This is one for Ritchie's energy, drive and leadership. Always the man for the big occasion - and this is certainly one of those. Photo: Jason Brown
10. ACM Terry Devlin
We've seen that Devlin offers the closest replacement for Callum Lang's energy through the middle and with Adil Aouchiche offering energy but not necessarily the influence required, could be one for the Northern Irishman. Photo: Jason Brown
11. LW Josh Murphy
We all know how important Murphy's goal contributions are - and that influence is required against the Rams. | National World
12. ST Colby Bishop
Need the Magic Man to carry the weight of leading the line - and shown he does that better than most even at Championship level. | Graham Hunt/ProSportsImages