Nottingham Forest have their leading scorer Garath McCleary back in the reckoning.
McCleary, who has scored all nine of his goals this season in the Championship, is available again after serving a three-match suspension.
The winger was controversially shown a straight red card during the 1-0 victory at Peterborough on April 9.
Steve Cotterill will check on striker Dexter Blackstock and defender Joel Lynch after both players missed the defeat to Hull last weekend with slight knocks.
Blackstock was replaced in the side by Marcus Tudgay but he is also considered a doubt after a rib injury forced him off during the first half at the KC Stadium.
Scott Allan will be in the Portsmouth side after West Brom agreed to let Allan complete the Championship season before returning from his loan spell for their last two games.
Another loanee, striker Chris McGuire, returns to the squad after he was ineligible to face his employers Derby last weekend.
Teenage forward Ashley Harris limped off an hour into his full debut against the Rams, but he was only suffering from cramp and will be available.
Defender Tal Ben Haim is still struggling with a calf injury and is not expected to figure for Michael Appleton's side.