Northampton Saints have remained on course for a first-placed finish in Pool 5 of the European Rugby Champions Cup with a 20-9 win at Ospreys.
The Saints will face Racing Metro next weekend, with the winner clinching top spot in the group.
Dan Biggar kicked over three penalties for the hosts during a cagey first half, but tries from Calum Clark and George North made sure that Northampton were on top.
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Stephen Myler also contributed significantly to the Saints' cause, kicking over an additional seven points to put them 17-9 up at the break.
There was little to separate the teams in the second half as both fought doggedly for possession and territory.
However, a key moment came with 10 minutes remaining when Myler scored a penalty to give Northampton the necessary breathing space to close out the game.
Jack Prescott
