Northampton winger George North will come up against some familiar faces tomorrow when the Saints host Ospreys in the European Champions Cup.
North used to play for the welsh side's rivals the Scarlets and is international teammates with many of their squad.
The Ospreys are unbeaten this season, but North is hopeful of bringing that run to an end at Franklin's Gardens.
"It's a tough fixture as they're coming here full of confidence and have won all their games this year, but we need to get a win to keep alive our hopes in Europe."
North knows better than most the threat that the Ospreys have at their disposal and singled out half-back pairing Rhys Webb and Dan Biggar for special praise.
"I think you have to look at Rhys Webb and Dan Biggar.
They're playing very well this year and they control the game exceptionally well."
Northampton Saints v Ospreys, European Rugby Champions Cup, Saturday 25 October, 17:15pm
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After a third bonus point win in their opening four games, Northampton Saints hit the road once more for the Aviva Premiership trip to London Irish tomorrow.
Saints have made four changes to the side that dug deep to beat Bath last weekend at Franklin's Gardens.
Lee Dickson returns at scrum-half. Among the forwards, Alex Waller, Mike Haywood and Courtney Lawes are in for Alex Corbisiero, Dylan Hartley and Christian Day.
London Irish have made just one change, Tomas O'Leary the new face at scrum-half and Darren Allinson taking his place on the bench.
Northampton Saints have been dealt a blow with the news that England prop Alex Corbisiero has been ruled out until "early 2015."
The 26-year-old had to come off in Saturday's win over Bath after picking up a shoulder injury.
Scans have now revealed that Corbisiero has suffered a ligament tear which will require surgery.
It means that the former London Irish man will also miss England's autumn internationals, alongside other key front players Tom Youngs, Mako Vunipola and Dan Cole who are also set for spells on the sidelines.
The father of a teenage rugby fan from Northampton has paid tribute to his son.
13 year old Luis Ghaut died of bone cancer this week.
Northampton Saints credit mascot Luis with spurring them on to one of their finest wins last season.
Cancer charity Sarcoma UK says it's deeply saddened to hear of the death of Luis Ghaut and its thoughts go out to his friends and family.
Luis and his family raised £35,000 for the charity after he was found to have the bone cancer in his leg.
Eleven per cent of cancers that affect young people today are sarcoma. Through his courage and determination, Luis raised awareness of sarcoma and was an inspiration and role model to everyone in the sarcoma community.
Luis made a hugely positive impact on Sarcoma UK and everyone he came into contact with. We are so grateful for all of his and his family's support.”
More information about the charity can be found at www.sarcoma.org.uk
Northampton Saints fans will applaud 13-year-old mascot Luis Ghaut, who's died of bone cancer, before the game against Bath at Franklins Gardens on Saturday.
There will be a minute's applause in honour of Luis Ghaut before this Saturday's match. Northampton players will wear black armbands.