Jarosik is on loan at Blues from the Premier League title holders and so is ineligible to play.
Forssell and Dunn both have thigh injuries whilst Melchiot has still not fully recovered from the hamstring injury that has kept him sidelined since the beginning of the month.
Jamie Clapham suffered a knee injury in the 2-2 draw against Manchester United on Wednesday night and although scans have showed no serious damage, manager Steve Bruce has confirmed that he will not be risked at Stamford Bridge.
Elsewhere, both Stan Lazaridis and Julian Gray will undergo late fitness tests to decide whether or not they are fit enough to face the Premier League pace-setters.
Muzzy Izzet is available again however, after now completing his one game ban for his sending off at Tottenham on Boxing Day.