Former All Black Brendon Leonard has joined the Ospreys from Italian side Zebre on a three-year deal.
Ospreys ended their Champions Cup campaign in disappointing style as they were beaten 23-20 by Treviso on Saturday.
Sky Sports once again brings you the best European rugby action with six live games this weekend.
Northampton kept their European Champions Cup campaign alive with a 20-9 win over Ospreys at Liberty Stadium.
Northampton boss Jim Mallinder is relishing a "great game" against Racing Metro next week after their victory over Ospreys.
We consider all the possible outcomes ahead of Round 5 of the European Champions Cup.
Watch all the highlights of this weekend's Guinness PRO12 action.
Dan Biggar was the star of the show as he led the Ospreys to a 22-11 win over Newport Gwent Dragons in the PRO12.
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