PORTSMOUTH have three games to save themselves from relegation as they head to KCS Old Boys in London Two south west.
And assistant coach Jim Pearce has insisted there can be no margin for error as they hover just above the drop zone.
This is probably the biggest game since Ben Dudley and I took over as coachesJim Pearce
‘This is probably the biggest game since Ben Dudley and I took over as coaches,’ said Pearce
‘The players fully understand the situation we find ourselves in and what is expected of them.
‘Recent results have left us so close to relegation.
‘The two teams immediately below us have picked up improved results and both still have to play winless Warlingham.
‘That will almost guarantee them pointsm while we finish the season with three hard games.
‘We have already lost at home to KCS and they are a typical Old Boys team.
‘They have young players who possess good skills but we have to go there and impose our game on them.’
Portsmouth make one enforced change after prop forward Ryan Wilkie picked up a concussion playing for Hampshire against the Royal Navy.
Ian French comes in to take his place at tight-head prop.
In Hampshire One, seventh-placed Fareham Heathens travel to third-placed Fordingbridge looking for a big performance.
Centre Rob Impey says his team are in good heart despite being beaten at New Milton last week.
‘Spirits in the camp are high,’ said Impey.
‘The squad is keen to get out on the park and put a good week’s training into a match situation.’
Charles Chipperfield returns to the squad following a knee injury.
In the centre, Tom Baxter is back with Jim Gardner returning to the second row.
Impey added: ‘With only three matches left of the league season, we are looking for the points that will ensure we can finish as high up the table as possible.
‘At the same time we will laying the groundwork for next season.’
Locks Heath Pumas welcome Aldershot and Fleet to Brookfield School, looking to bounce back from two humiliating defeats at the hands of the top two sides in the Hampshire Two.
Coach Rich Rigby looks to go undefeated for the last three games of the campaign.
‘Nothing but maximum points will do this weekend against the bottom club.’ said Rigby.
‘The guys owe it to themselves and the club to deliver what they are capable of.’