Wallingford have again had to reshuffle their back line ahead of their trip to South West 1 East leaders Cheltenham on Saturday.
With Pete Strang having moved to Bristol, Eliott Simons becomes their third fly half of the season – Henry Venners having also played there.
Gavin Hull comes in on the left wing, with Ryan Hodnett making his first start on the other flank.
Regular hooker Tom Hill returns at flanker, while Chris Dixon plays his last game in the No 2 shirt before moving to Bath.
Coach Chris Norrington said: “I think we have used up all our good luck over the last two years and now it is come back at us.
“In the backs we are struggling for a bit of strength in depth.
“But it is now a chance to find out what we are made of.”
Witney name an unchanged starting team for their trip to Aylesbury in Southern Counties North as they seek to maintain their 100 per cent record.
Youngsters Will McBurnie and Ali McRoberts could make their league debuts after getting the nod as replacements.
Gosford All Blacks are without captain Murray Stewart, Rick Benito and the promising Tom Heydon for the visit of Alchester in the BB&O Premier Division.
Eugene Griffin (pictured) faces a fitness test ahead of the clash between two unbeaten teams.
Wallingford (v Cheltenham, away): Smith, Hodnett, Holton, Brettell, Hull, Simons, Dawes, Blaszko, Dixon, Keable, Lewis, D Jenkins, Hill, W Woodward, Jeffrey (capt). Reps: McKenna, Chapman, tbc.
Witney (v Aylesbury, away): Mitchem, L Collins, Strutt, J Lamb (capt), Monks, H Lamb, G Campbell, Griffiths, S Collins, Richens, Fowler, Bennett, Caffekey, C Campbell, J Hicks. Reps: McBurnie, McRoberts, Serle.
Gosford All Blacks (v Alchester, home, meet 1.30pm): from Baughan, Williams, Brogan, Bennett, Stepney, Hughes, Clarke, Quigley, Sheppard, H Sutton, Thiele, Ronan, E Newell, Bodinham, Grant, Holburn, Webb, Griffin.
Gosford All Blacks 2nd (v Princes Risborough, home, meet 1.30pm): from Dimond, Donnelly, Midgeley, Shambrook, Stokes, Ody, Schwarz, Bennett, Good, Ellis, Brewer, Busby, Symons, Eynon, Lam, Joines, Allen, Dutton, Craig.
Oxford Harlequins 2nd (v Witney 2nd, home, meet 1.30pm).
Oxford Harlequins 3rd (v Wheatley, home, meet 1.30pm).
Oxford Harlequins 4th (v Banbury 3rd, away, meet 1.30pm).
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