Owen Farrell edged the battle of the erratic goal-kickers as Saracens won a compelling contest at Vicarage Road to top Pool One.
With two games remaining in the pool stage, Saracens hold a two-point advantage over Racing Metro and a three-point cushion over Munster who now have it all to do to remain in the competition.
Saracens were deserved winners, overcoming the loss of Will Fraser to the sin bin, but had to rely on 14 points from the boot of Farrell for their success.
Munster grabbed an interception try from Doug Howlett but failed to take advantage of Fraser's absence and two late misses from Ronan O'Gara cost them dearly.
Sale suffered their heaviest Heineken Cup defeat as Toulon showed their title credentials with a crushing 62-0 victory at Stade Felix Mayol.
The Top 14 leaders were sensational against the Aviva Premiership's bottom-placed side as they made it four wins from four in Pool Six.
The Armitage brothers, Steffon and Delon, were at the fore for the big-spending French outfit as the Sharks shipped nine tries in suffering a crushing loss.
Sale held firm for the first 30 minutes on the Cote D'Azur but they were cannon fodder after that as Jean-Charles Orioli, Freddie Michalak - who started ahead of Jonny Wilkinson - Joe van Niekerk (two), Davit Kubriashvili, Rudi Wolf and David Smith joined the Armitage boys on the scoreboard.
Glasgow will return from the south of France with their heads held high after an agonising 10-8 defeat at Castres saw them slump to a fourth straight defeat in Pool Four of the Heineken Cup.
The visitors forged an 8-3 lead at the break thanks to a John Barclay try but the hosts fought back, and a Ruaridh Jackson penalty to win the match bounced back off the post as the French side held on.
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The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
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Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.