Despite Gavin Henson's absence, Sean Holley (thumb) has still fielded a strong side for Sunday's showdown.
Despite a lengthy injury list, Ospreys coach Sean Holley has still fielded a side containing 14 internationals for the Heineken Cup showdown against Leicester Tigers at Welford Road, on Sunday.
One notable omission is Gavin Henson who has been banned for two games by the management for a 'rugby related internal disciplinary decision.'
The Tigers have an impressive pedigree in the tournament having won it twice and being runners-up on another two occasions and Holley is under no illusions as to the size of the task which awaits his star-studded side.
"Everybody within the Ospreys camp is looking forward to renewing what has become a healthy rivalry with Leicester. We have the utmost respect for their playing and coaching staff, and for what the club has achieved over the years, and in particular in the Heineken Cup," he said.
"They've made a good start to the current season and are playing some great rugby under their new coach Heyneke Meyer. We know that we can expect a real test on Sunday. We see Welford Road as being a great place to start this year's campaign, there will be a great atmosphere there as always.
"We have a very tight unit at the Ospreys, matches such as this one are as much about the 22 selected as the starting line-up itself, spirits are high and we intend to be extremely competitive on Sunday. We are particularly proud to be able to name 18 Welsh players in our 22, which is further evidence of the excellent work that we are doing here at the Ospreys to develop the best local talent."
Holley also conceded some difficult decisions had to be made when it came to selecting the side to open the cup campaign.
"Our players are excited about the prospect of playing in this year's Heineken Cup, they want to get off to a good start in Leicester and it has been a very difficult selection process this week with so many players in numerous positions challenging for a starting place this Sunday. A lot is at stake, as there always is in the first Pool match in this competition, and we will need to be both focused and determined against a quality team if we are to achieve our aim."
Ospreys: 15 Lee Byrne, 14 Nikki Walker, 13 Tommy Bowe, 12 Andrew Bishop, 11 Shane Williams, 10 James Hook, 9 Rhodri Wells.
8 Ryan Jones (c), 7 Marty Holah, 6 Jonathan Thomas, 5 Ian Evans, 4 Alun-wyn Jones, 3 Adam Jones, 2 Richard Hibbard, 1 Paul James.
Replacements: 16 Huw Bennett, 17 Duncan Jones, 18 Ian Gough, 19 Filo Tiatia, 20 Tom Smith, 21 Rhys Webb, 22 Daniel Biggar.
Leicester Tigers: 15 Geordan Murphy, 14 Johne Murphy, 13 Dan Hipkiss, 12 Aaron Mauger, 11 Matt Smith, 10 Toby Flood, 9 Harry Ellis.
1 Marcos Ayerza, 2 Benjamin Kayser, 3 Julian White, 4 Martin Corry (capt), 5 Ben Kay, 6 Tom Croft, 7 Ben Woods, 8 Jordan Crane.
Replacements: 16 George Chuter, 17 Dan Cole, 18 Richard Blaze, 19 Marco Wentzel, 20 Julien Dupuy, 21 Derick Hougaard, 22 Alesana Tuilagi.
Beating Merthyr has boosted Carmarthen Quins hopes of reaching a top eight spot in the Principality Premiership. Quins captain Haydn Pugh is delighted with his team's progress and is determined that everyone from the Under 6s through to the senior team, enjoys the ride.
When the Wales squad were asked to nominate individuals who played a big part in their early playing days, Wales and Dragons full back and wing Hallam Amos thought of his former Monmouth School rugby coach John Bevan.
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series