Pompey make one of their longest trips of the season as they face Sunderland at the Stadium of Light in the EFL Championship on Sunday.
John Mousinho's men will be looking to follow up their 4-0 win against Swansea City on New Year's Day. The win moved them out of the relegation zone with Hull City suffering a late defeat to Middlesbrough, and Cardiff City drawing with Coventry City.
Sunday's opponents Sunderland made a statement as they beat Sheffield United. Kieffer Moore had a penalty saved by Anthony Patterson as Eliezer Mayenda and Wilsor Isidor were both on target for the North East outfit.
The win over the Blades put them to within two points of the Blades prior to Saturday's round of fixtures. At the bottom, it's relatively close between Pompey and their relegation rivals.
Earlier on in the season, Pompey and Sunderland met on the South Coast, with the Black Cats claiming a 3-1 win. Zak Swanson's own goal broke the deadlock in the first half, and then Alan Browne and Romaine Mundle scored within five minutes of each other to make for a commanding lead. An own goal from Luke O'Nien in stoppage time acted only as a consolation for Pompey.
A lot was said about Sunderland’s injury situation leading in to their win against Sheffield United and they’re still navigating through things now. Salis Abdul Samed and Ahmed Abdullahi are still awaiting their debuts, and manager Regis Le Bris has given an indication as to when they could make their first-team bows.
The festive period has been relentless for all clubs across the Football League with a large amount of matches scheduled over a short amount of days. Here The News compiles the latest injury news both on Pompey and Sunderland.

9. Mark O'Mahony - out
Back with his parent club Brighton & Hove Albion as he recovers from injury. | Portsmouth FC

10. Mark O'Mahony - out (continued)
John Mousinho on December 31: "Mark's a couple of weeks away. He had his final injection in the injury at the back end of last week. "We're just waiting for that to settle down. It's been a bit more of a niggly one than we initially thought it would be. | Getty Images
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11. Harvey Blair - out
Didn't train in the build-up to the Watford game with a knee injury. | The News

12. Daniel Ballard - out
He's been out for a fortnight with a muscle problem. Ballard's got a short-term injury, but should be back shortly. | Getty Images
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