Bradford Salem, who are also chasing fourth place in SSE Yorkshire Division Two, are currently fifth and are at Sheffield Medicals, who are fourth, on Saturday.
Wibsey are without experienced prop Andy Rose for their SSE Yorkshire Division Five game at Rotherham Clifton.
Rose has taken a bad knock but the visitors have also been hit by cricket calls and will see who turns up at training tonight before assessing their options.
Bradford Salem (at Sheffield Medicals): D Belcher; D Thomas, T Williams, S Gardner, S Savage; A Robinson, I Woodwiss; J Bradbury, S Markey, S Davies, J Cunliffe, J Morrell, R Green, D Pearson, D Hutton. Replacements: J Ashworth, A Veitch, C Walker, D Luxton.
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