Danny Cowley is aiming for a third successive win as Blues boss since taking the hot seat.
Here’s all you need to know ahead of the game (3pm kick-off).
Pompey team news
Danny Cowley has a well-documented striker crisis on his hands.
John Marquis is suspended for the next three games after being sent off at Shrewsbury last week, while Ellis Harrison and Jordy Hiwula are unlikely to feature in League One again this season.
That means Ronan Curtis is likely to operate as a makeshift striker, having missed the win at the Shrews due to international duty.
There could also be a place on the bench for teenager Alfie Stanley given Pompey’s lack of forward options.
Ben Close should also keep his starting spot after a man-of-the-match display last weekend.
Predicted starting XI
Craig MacGillivray, Callum Johnson, Jack Whatmough, Sean Raggett, Lee Brown, Marcus Harness, Ben Close, Tom Naylor, Michael Jacobs, Ryan Williams, Ronan Curtis. Subs: Lewis Ward, James Bolton, Charlie Daniels, Rasmus Nicolaisen, Andy Cannon, George Byers, Alfie Stanley.
Rochdale injury news
Jimmy Ryan has returned to training following a long-term absence.
The midfielder’s been sidelined with a knee injury since December but the Dale are erring on the side of caution and he may not be involved at Fratton Park.
Stephen Humphrys has been ruled out of action for the next few weeks after limping off against Peterborough last week.
Twelve-goal top scorer Matty Lund is also big doubt having not played since February 20.
Rochdale will welcome back Man City loanee Gavin Bazuna after the keeper made his Republic of Ireland senior debut during the international break.
Gavin Bazunu, Eoghan O’Connell, Paul McShane, Gabriel Osho, Jimmy Keohane, Matty Done, Ollie Rathbone, Conor Shaughnessy, Conor Grant, Jake Beesley, Kwadwo Baah.Substitutes: Jay Lynch, Jim McNulty, Stephen Dooley, Hayden Roberts, Alex Newby, Aaron Morle, Jake Vale.
Match-day odds (bet365)
1-0 11/2, 2-0 6/1, 2-1 15/2, 3-0 10/1, 3-1 12/1, 3-2 25/1
1-0 14/1, 2-0 28/1, 2-1 16/1, 3-0 66/1, 3-1 40/1, 3-2 40/1
0-0 10/1, 1-1 13/2, 2 -2 16/1, 3-3 50/1
Brett Huxtable (Devon
League position: 5th
Top scorer: John Marquis (16)
Top assists: Marcus Harness (9)
Most appearances: Tom Naylor and Sean Raggett (43)
League position: 24th
Top scorer: Matty Lund (12)
Top assists: Aaron Morley (6)
Most appearances: Aaron Morley (42)
Form guide (all competitions)
Pompey: P47 W23 D7 L17
Past five games
W 2-1 Shrewsbury (A) – League One
W 2-1 Ipswich (H) – League One
L 1-0 Peterborough (A) – League One
L 4-2 (penalties) Salford (N) – EFL Trophy final
L 2-0 Sunderland (H) – League One
Rochdale: P42 W9 D12 L21
Past five games
D 3-3 Peterborough (H) – League One
W 2-1 Lincoln (A) – League One
L 2-0 Shrewsbury (H) – League One
L 2-0 Sunderland (A) – League One
L 2-0 Hull (A) – League One
Today (all 3pm kick-offs unless stated)
Doncaster v Charlton (12.30pm), Accrington v Burton, Crewe v Hull, Fleetwood v Peterborough, Ipswich v Bristol Rovers, Northampton v Shrewsbury, Plymouth v AFC Wimbledon, Sunderland v Oxford, Swindon v Blackpool.