Saints will face a Sunday evening showdown in Wales after the fixtures for rounds five and six of this season’s Champions Cup were confirmed.
Jim Mallinder’s men go to Ospreys on Sunday, January 18, with a kick-off time of 5.30pm. The game will be shown live on BT Sport.
Saints’ final Pool 5 game could be the most crucial of the lot as the face Racing Metro at Franklin’s Gardens on Saturday, January 24.
The game will be shown live on BT Sport with a kick-off time of 3.15pm.
Saints are currently one point clear of Racing at the top of Pool 5, with Ospreys seven points behind the leaders.
Meanwhile, the schedule for rounds three and four of the LV= Cup has also been announced.
Saints will go to local rivals Leicester Tigers on Saturday, January 31, with their final pool match, against Wasps, at the Gardens a week later, with a kick-off time of 3.15pm.
The Aviva Premiership home clash with London Irish has been brought forward to Friday, February 13 with a 7.45pm kick-off.
That will ensure there is no clash with England’s Six Nations game against Italy a day later.