The Ospreys will put their 17-match unbeaten home run in the Heineken Cup on the line when they host the English champions, Saracens, at the Liberty Stadium on Friday.
The Welsh region will be looking to avenge their 31-26 defeat to Saracens at Wembley last weekend when the two sides clash in Swansea in the return game of their double header.
The Ospreys know the visit of the side from the English capital is a 'must-win' game if they have genuine ambitions to reach the knockout stages of European rugby's premier competition.
Saracens top the Pool but only four points separate all four teams after three games in the tightest fought group in this season's tournament. The Premiership outfit know a victory in Wales will be a major boost of their quarterfinals hopes.
The English side, who are in their fifth season in the Heineken Cup, has lost their last four Heineken Cup games on the road and will be no illusions of the task facing them in the Principality.
Teams:
Ospreys: 15 Richard Fussell, 14 Tommy Bowe, 13 Andrew Bishop, 12 Ashley Beck, 11 Shane Williams, 10 Dan Biggar, 9 Rhys Webb, 8 Jonathan Thomas, 7 Justin Tipuric (captain), 6 Ryan Jones, 5 Ian Evans, 4 Ian Gough, 3 Adam Jones, 2 Richard Hibbard, 1 Paul James.
Replacements: 16 Huw Bennett, 17 Duncan Jones, 18 Aaron Jarvis, 19 Joe Bearman, 20 George Stowers, 21 Kahn Fotuali'i, 22 Matthew Morgan, 23 Hanno Dirksen.
Saracens: 15 Alex Goode, 14 David Strettle, 13 Owen Farrell, 12 Brad Barritt, 11 Chris Wyles, 10 Charlie Hodgson, 9 Ben Spencer, 8 Ernst Joubert, 7 Jacques Burger, 6 Kelly Brown, 5 Mouritz Botha, 4 Steve Borthwick (captain), 3 Matt Stevens, 2 Schalk Brits, 1 Rhys Gill.
Replacements: 16 John Smit, 17 Deon Carstens, 18 Carlos Nieto, 19 George Kruis, 20 Andy Saull, 21 Peter Stringer, 22 Adam Powell, 23 James Short.
Date: Friday, December 16
Venue: Liberty Stadium, Swansea
Kick-off: 20.00 (20:00 GMT)
Referee: Jerome Garces
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