The Argentine star missed a chance to kick Leinster further ahead but the home team got another boost in the 25th minute when Toulouse forward Gregory Lamboley was sin-binned as the visitors defended desperately in their own 22.

BBC: Leinster 20-13 Toulouse

Cardiff were beaten by Toulouse in the inaugural Heineken Cup final in 1996, the only time a Welsh team has qualified for European rugby's showpiece club occasion.

BBC: Cardiff Blues coach Dai Young wary of Toulon threat