The Robins are yet to taste defeat on home soil since head coach Sean O'Driscoll took charge but their failure to secure a victory on the road has left them six points adrift of safety with seven games remaining.
The likes of Albert Adomah and Liam Kelly are pushing for recalls while Paul Anderson came through 90 minutes following his return to the starting line-up after injury.
But O'Driscoll is limited when it comes to attacking options with striker Ryan Taylor (shoulder) back in training but not yet available, and fellow forward Jon Stead (groin) still sidelined.
City's latest defeat on their travels, a 3-0 loss at Derby on Friday, means a reverse to the Owls would leave the Robins staring at a return to League One after six seasons on football's second rung.
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- Albert Adomah