Saracens boss Mark McCall makes two changes to the team that beat Leicester Tigers last weekend with Duncan Taylor starting at inside centre and George Kruis coming into the second row.

Andy Saull has recovered from a fractured thumb that has kept him out since before Christmas while Jamie George, Mouritz Botha and Ben Ransom are all also named among the replacements.

Saracens: 15 Chris Wyles 14 James Short 13 Joel Tomkins 12 Duncan Taylor 11 David Strettle 10 Charlie Hodgson 9 Richard Wigglesworth 1 Rhys Gill 2 Schalk Brits 3 Matt Stevens 4 Steve Borthwick © 5 George Kruis 6 Jackson Wray 7 Will Fraser 8 Ernst Joubert 

16 Jamie George 17 Nick Auterac 18 Petrus du Plessis 19 Mouritz Botha 20 Andy Saull 21 Neil de Kock 22 Nils Mordt 23 Ben Ransom

London Welsh: 15 Tom Arscott 14 Phil MacKenzie 13 Sonny Parker 12 Seb Jewell 11 Seb Stegmann 10 Gavin Henson 9 Tyson Keats 1 Franck Montanella 2 Greg Bateman 3 James Tideswell 4 Jonathan Mills (c) 5 Kirill Kulemin 6 Julio Cabello Farias 7 Michael Hills 8 Alfie To’oala

Replacements: 16 Dan George 17 Tom Bristow 18 Paulica Ion 19 Matt Corker 20 Daniel Browne 21 Alex Davies 22 Gordon Ross 23 Tom Voyce

Kick off is at 2.15pm.