Bristol v London Welsh preview

Bristol have made four changes ahead of their top of the table clash with London Welsh at the Memorial Stadium tomorrow.
Jack Tovey comes into the midfield in place of Adam Hughes while Luke Baldwin replaces the injured Ruki Tipuna as Bristol go in search of a twelfth successive league win.
In the forwards, James Hall and Gaston Cortes are named in the front row with Glen Townson and Marco Mama returning to full fitness to be included among the replacements.
Meanwhile, London Welsh make six changes with Seb Stegmann returning on the wing in place of Nick Scott.
In the forwards, Tom Bristow, Nathan Vella and Peter Edwards make up an all-changed front row replacing Alec Hepburn, Nathan Morris and Paddy Ryan.
In the back row, Richard Thorpe comes in at blindside flanker for Mitch Lees while Carl Kirwan replaces USA Eagles flanker John Quill who moves to the bench.
Bristol: Jack Wallace; George Watkins, Jack Tovey, Ben Mosses, Andy Short; Nicky Robinson, Luke Baldwin; James Hall, Rhys Lawrence, Gaston Cortes, Mark Sorenson (c), Ben Glynn, Nick Koster, Ross Rennie, Mitch Eadie.
Replacements: Stuart McInally, Jason Hobson, Glen Townson, Marco Mama, Callum Braley, Adrian Jarvis, Adam Hughes.
London Welsh: Toby L'Estrange; Seb Stegmann, Tom May (Capt.), Hudson Tonga'uiha, Joe Ajuwa; Alex Davies, Tyson Keats; Tom Bristow, Nathan Vella, Peter Edwards; Matt Corker, Will Spencer; Richard Thorpe, Carl Kirwan, Daniel Browne.
Replacements: Nathan Morris, Nathan Trevett, Cai Griffiths, Ben West, John Quill, Chris Cook, James Tincknell.