Both played in the victory over Leicester despite back problems, Wilbraham defying the pain barrier to notch his first goal for the club.
Whitbread was substituted through injury in the previous game against Preston but played the full 90 minutes at the Walkers Stadium and could feature.
Midfielder Simon Lappin is recovering well from an appendectomy and may make the squad for the first time in three weeks but striker Chris Martin remains unavailable with a hamstring injury.
Manager Paul Lambert can mastermind a move into the automatic promotion places with a win over the resurgent Robins should results go their way over the weekend.
Source: PA
Source: PA