Oxford Harlequins field a new half-back pairing as they play their first league match at Marston Ferry Road for seven years tomorrow.

Ralph Jones returns at scrum half and teams up with Sam Watkinson for their South West 1 East clash at home to Salisbury.

Since 2008, Quins have hosted matches at the Southern Bypass Ground in an agreement with Oxford RFC.

That arrangement has now ended, and Quins have returned to their original base, where they will be trying to erase the memory of last week’s convincing 39-12 defeat at Grove.

Other changes behind the Harlequins scrum see Huw Dimond move to centre and Jack Robinson return at full back.

Up front, Matt Edney steps in at loose head prop, Kyle Sharpe switches to tight head and Charlie Ward comes in at hooker.

Meanwhile, Grove give first-team debuts to 17-year-olds for their match at Towcestrians.

Archie Van Dijk comes in at full back, while Sam Bond plays his first game on the wing.

With Tom Clipsham unavailable, Ben Law comes into centre.

Joe Rolles, Rich Hare and Charlie Bennett all return to bolster Witney’s pack for their trip to Windsor After their 62-12 defeat to Rosslyn Park, Henley Hawks make changes when they visit Darlington Mowden Park in National League 1.

Full back Elliott Cox is absent having been knocked unconscious last week.

Scrum-half Connor Murphy has suffered damage to ankle ligaments, having just recovered from a broken ankle.

Fred Pierrepoint switches to centre and the experienced Simon Perry comes in on the wing.

Chinnor, who lost 40-24 in National 2 South last week, entertain Bury St Edmiunds.

TOMORROW’S LINE-UPS

Chinnor (v Bury St Edmunds, home): Blewitt, Codlin, Dehaty, Fatialofa, Martey, Angell, Goodfellow, A Darlington, M Darlington (capt), Berry, Tibbatts, Manning, Burns, Long, Vandermolen. Reps: Hopkins, Townsend, Owen, Jones, Davies.

Henley Hawks (v Darlington Mowden Park): O’Neill, Perry, Pierrepoint, Bradford, Andre, Comben, Allen, West, Emery, Manning, Clements (capt), Albon, Watkins, Hall, Stapley. Reps: Brennan, Sandys, Richardson, Davey, Gardner.

Oxford Harlequins (v Salisbury, home): Robinson, Douglas, Crowe, Dimond, Tierney, Watkinson, Jones, Edney, Ward, Sharpe, Purchase (capt), Neal, Milton, Craig, Perkins. Reps: Barlow, Fisilau, Brown.

Grove (v Towcestrians, away): Van Dijk, White, Sevier, Law, Bond, Martin, J Chilvers, Eckert (capt), Dixey, Walsh, Miles, Ponting, Gratwohl, Peel, Rees. Reps: C Chilvers, Crook, Cramp.

Witney (v Windsor, away): Dodman-Edwards, Lambourne, Clarke, Collins, Taylor, Whitehouse, Campbell (capt), Fuller, Collins, Richens, Hyde, Hare, Muller, Canavan, Rolles. Reps: Cally, Bennett, Monks.