Fullback Emiliano Boffelli has scored 16 points in a man-of-the-match performance as Argentina got their World Cup campaign back on track with a hard-fought 19-10 victory over a committed Samoa.
Roared on by passionate Argentine support, Boffelli scored an early try and converted four of five kicks from the tee to get the Pumas back to winning ways on Friday (Saturday AEST) after the disappointment of their 27-10 loss to 14-man England in their Pool D opener.
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"We got off the mark today, we got off the bus," said the Pumas' Australian coach Michael Cheika.
"There were some good things tonight but I know there are many things that we can improve. Today was a mental test and we performed well. We were under huge pressure, but we managed it."
Samoa managed just one penalty kick from former Wallabies five-eighth Christian Leali'ifano until replacement hooker Sama Malolo barged his way over the line for his third try of the tournament five minutes from time.
That set up a frenetic finale but Nicolas Sanchez, coming off the bench to win his 99th cap for Argentina, lashed over a final penalty from just inside the Samoa half to make the game safe and deny Samoa a losing bonus point.
"It's pretty tough to win a Test match, especially against a team of the calibre of Argentina with 40 per cent possession," said Samoa coach Seilala Mapusua.
"In saying that, I thought we created a few opportunities which was really pleasing to see. I think if we had finished off a couple of those, it would have been a very different game."
England lead pool D with nine points from two games, four points ahead of Samoa, who beat Chile 43-10 in their opener, and third-placed Japan with Argentina in fourth on four points.
After hot and humid conditions for the first two World Cup matches in Saint-Etienne, autumn arrived on Friday with rain making for greasy conditions and a scrappy arm-wrestle of a contest between two physical teams.
Samoa made a calamitous start in the opening minute when fullback Duncan Paia'aua was shown a yellow card for taking out an Argentine in the air.
Argentina struggled to convert territory into scores against England but had no problems in the ninth minute, cleverly stretching the undermanned Samoan defence to give Boffelli space to cross the line out wide.
The fullback converted his own try and added a 45-metre penalty in the 24th minute with Leali'ifano, two days shy of his 36th birthday, finally getting Samoa on the board with a three-pointer of his own four minutes later.
Boffelli chipped over another penalty and the Argentina pack did well to hold out the Samoan eight from two five-metre scrums just before the break to go in at halftime with a 13-3 lead.
Argentina laid siege to the Samoan try line at the start of the second half and finally came away with some points when Boffelli kicked his third penalty in the 53rd minute.
