Pompey return to a packed Fratton Park with big calls for John Mousinho to make against his former side.
The key decisions appear to lie in attacking areas as the Blues bid to move another step closer to the Championship. Here's how we think Mousinho will go.
5. CB Conor Shaughnessy
Has spoken about the defensive standards being set at Pompey - epitomised by the man himself. | Graham Hunt/ProSportsImages
6. LB Connor Ogilvie
If he'd not gone through injury struggle Ogilvie would surely be in the player-of-the-season conversation. | PA
7. CM Marlon Pack
Form shown so far this season is more important than ever right now - especially with current midfield picture. Photo: Jason Brown
8. CM Owen Moxon
Was Pompey's standout player in the first half at Charlton, with the challenge now to maintain that level for 90 minutes. Photo: Jason Brown