Henley Hawks make three changes for tomorrow's National 2 clash with Westcombe Park at Dry Leas.
Scrum half James Gaunt, centre Angelo Flammia and tight-head prop Steve Robinson all come in.
Nathan Lambden reverts to full back, while backs Luke Burns, Jaymes Chapman and James Honeyben are nearing full fitness.
Relegation-threatened Hawks had hoped to select Oxford University full back Chris Mahony after he rcovered from a foot injury, but he has now torn a calf muscle.
Henley must improve their scoring record if they are to escape the drop zone.
Director of rugby Jon Lambden said: "Barry-John Mather has been with is for a month and his work as an attacking coach is developing well in training."
Westcome Park could include former Oxford Blues James Whittingham, Adam Slade and Tom Hayman - the latter pair being ex-Hawks.
Joe Collins moves up from the bench as Witney host promotion-chasing Wallingford in Southern Counties North.
Collins impressed as a replacement against Grove, while his brother Lewis gets a spot on the bench alongside Charlie Bennett.
Wing James Monks, who reached 100 tries for Witney with a hat-trick last week, will be after more.
Fly half Ross Kenny (shoulder) misses Bicester's BB&O Premier Division home clash with Stow-on-the-Wold.
Centre Chris Nash is expected to recover in time from his shoulder injury, but Bicester have banned flanker Anthony Nightingale for two weeks ban after his sending off against Blue Boar in the Oxfordshire Shield.
Full back Kye Clutton returns as Gosford All Blacks host Drifters.
Henley Hawks (v Westcombe Park, home): N Lambden, Odejobi, Flammia, Sweeney, Simmons, Farndon, Gaunt, Le Chevalier, Wordley, Robinson, Winterbottom, Hurrell, Payne, Williams (capt), Archer. Reps: Alexipolous, Fuller, Hulland, Grant.
Witney (v Wallingford, home): Wheater, H Lamb, J Collins, Strutt, Monks, Elwood, G Campbell, Dore, A Copperwheat, Serle, Fowler, J Hicks (capt), Worrall, Muller, C Campbell. Reps: L Collins, C Bennett, Richens.
Bicester (v Stow-on-the-Wold, home): Ward, Lewis, Rollason, Nash, Rushworth, A Spencer, Risbridger, W Morris, Davies, Barnes, Linstrom, Giles, Kimber, D Spencer, Thurlow. Reps: Shaw, A Morris, Leverton.
Gosford All Blacks (v Drifters, home): Clutton, Webb, Stewart, Glithero, Grant, Sheppard, Ellis, Baughan, Liam Donnelly, Lee Donnelly, Stepney, Burbidge, Griffin, Hughes (capt), Brooks. Reps: Parker, Murray.
Oxford Harlequins 2nd (v Henley Wanderers 2nd, away, meet Southern Bypass 12.30pm).
Oxford Harlequins 3rd (v Harwell, home, meet Southern Bypass, 1pm).
Oxford Harlequins 4th (v Chipping Norton 3rd, away, meet Southern Bypass, meet 12.30pm).
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