tim sherwood is definitely without a trio of key players for their key game with qpr .
alan hutton limped off in saturday 's 3-1 defeat at manchester united .
philippe senderos and kieran richardson -lrb- both calf -rrb- are doubts along with tom cleverley -lrb- adductor -rrb- and aly cissokho -lrb- groin -rrb- - although they are training - while libor kozak .