The Premier League leaders toiled for long periods at Molineux but finally saw off stubborn Championship opposition courtesy of their Spanish forwards
Chelsea are safely through to the FA Cup quarter-finals after Pedro and Diego Costa edged them to a 2-0 victory over Wolverhampton Wanderers.
The Premier League leaders toiled for long periods in their fifth round encounter at Molineux, with the hosts buoyed by previous successes against Stoke City and Liverpool.
Paul Lambert’s men came closest to opening the scoring in a tight first half, with former Chelsea man George Saville striking the post inside four minutes.