Van Heerden: Wil make his first start for Saracens
London Irish coach Toby Booth has kept faith with the same line-up that toppled Newcastle for the visit of Saracens.
That means assistant coach Mike Catt will captain the side with Bob Casey away on Ireland duty.
The only change comes on the bench, with Tom Homer coming in after Tonga Lea'aetoa was called into the Pacific Islands squad for their match with Italy.
South African Wikus van Heerden will make his starting debut for Saracens having impressed off the bench.
Van Heerden replaces Andy Saull in the line-up, with Rodd Penney and Tom Ryder also handed starts.
Penney replaces Kevin Sorrell on the wing after recovering from injury, while Ryder is given the nod to start in the second row ahead of Kris Chesney.
"Andy Saull has played extremely well all season but we just feel that we'd get a better 80 minutes out of Wikus van Heerden this week," explained Saracens director of rugby Eddie Jones.
"Both Wikus and Brad Barritt showed up well in their debuts last week so they continue in the side. Rodd Penney is fit again so he returns in place of Kevin Sorrell who did very well for us last week on the wing.
"It's going to be a tough game against London Irish but we will be going there looking to impose our attack and defence.
"We were disappointed with the performance against Gloucester last week and we've identified the areas in which we need to improve and I expect us to do just that this weekend."
London Irish: 15 Peter Hewat, 14 Topsy Ojo, 13 Elvis Seveali'i, 12 Shane Geraghty, 11 James Bailey, 10 Mike Catt (c), 9 Paul Hodgson, 8 Chris Hala'Ufia, 7 Declan Danaher, 6 Richard Thorpe, 5 Kieran Roche, 4 Nick Kennedy, 3 Faan Rautenbach, 2 David Paice, 1 Clarke Dermody.
Replacements: 16 James Buckland, 17 Alex Corbisiero, 18 Gary Johnson, 19 Steffon Armitage, 20 Alfredo Lalanne, 21 Charlie Gower, 22 Tom Homer.
Saracens: 15 Alex Goode, 14 Rodd Penney, 13 Adam Powell, 12 Andy Farrell (c), 11 Noah Cato, 10 Glen Jackson, 9 Neil de Kock, 8 Michael Owen, 7 Wikus van Heerden, 6 Ben Skirving, 5 Hugh Vyvyan, 4 Tom Ryder, 3 Cobus Visagie, 2 Matt Cairns, 1 Nick Lloyd.
Replacements: 16 Andy Kyriacou, 17 Tom Mercey, 18 Kris Chesney, 19 Andy Saull, 20 Micky Wilson, 21 Brad Barritt, 22 Kevin Sorrell.

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| Time | Fixture |
|---|---|
| Guinness Premiership | |
| Sunday 22nd November | |
| Guinness Premiership | |
| 15:00 | London Irish vs Newcastle |
| 15:00 | Leeds Carnegie vs Sale |
| 15:00 | Saracens vs Wasps |
| Friday 27th November | |
| 19:45 | Sale vs Wasps |
| 20:00 | Newcastle vs Northampton |
| 20:00 | Worcester vs Saracens |
| Saturday 28th November | |
| 15:00 | Harlequins vs Gloucester |
| 15:00 | Leicester vs Leeds Carnegie |
| 17:35 | Bath vs London Irish |
| Saturday 5th December | |
| 15:00 | London Irish vs Worcester |
| 15:00 | Gloucester vs Newcastle |
| 15:00 | Northampton vs Bath |
| 17:35 | Saracens vs Sale |
| Sunday 6th December | |
| 15:00 | Wasps vs Leicester |
| Saturday 26th December | |
| 14:15 | Bath vs Gloucester |
| 15:00 | Leicester vs Sale |
| 15:00 | Worcester vs Northampton |
| Sunday 27th December | |
| 15:00 | London Irish vs Saracens |
| 15:00 | Newcastle vs Leeds Carnegie |
| 16:00 | Harlequins vs Wasps |
| Friday 1st January | |
| 15:00 | Sale vs Harlequins |
| 15:00 | Saracens vs Leicester |
| Saturday 2nd January | |
| 15:00 | Northampton vs London Irish |
| 15:00 | Leeds Carnegie vs Bath |
| 15:00 | Gloucester vs Worcester |
| Result |
|---|
| Guinness Premiership |
| Saturday 21st November |
| Guinness Premiership |
| Northampton 26 - 17 Harlequins |
| Friday 20th November |
| Worcester 12 - 12 Bath |
| Gloucester 12 - 9 Leicester |
| Sunday 1st November |
| Newcastle 14 - 3 Worcester |
| Wasps 9 - 15 Leeds Carnegie |
| Saturday 31st October |
| Leicester 29 - 15 Northampton |
| Harlequins 9 - 9 London Irish |
| Bath 11 - 12 Saracens |
| Friday 30th October |
| Sale 28 - 23 Gloucester |
| Sunday 25th October |
| Saracens 21 - 15 Leeds Carnegie |
| Saturday 24th October |
| Gloucester 6 - 35 Wasps |
| London Irish 18 - 12 Leicester |
| Northampton 21 - 16 Sale |
| Worcester 22 - 26 Harlequins |
| Bath 16 - 27 Newcastle |
| Sunday 4th October |
| Leeds Carnegie 10 - 26 Gloucester |
| Wasps 20 - 15 Northampton |
| Newcastle 15 - 22 Saracens |
| Saturday 3rd October |
| Harlequins 13 - 11 Bath |
| Leicester 19 - 14 Worcester |
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