Need to beat the boss!!!!

[DM Papps]

Im am in a HIGH paying league at work and need to beat the boss (won last 3 years)

DEF: Goddard, Grimes, Gibbs, Vlaustin, Pittard, Goodes (Docherty, Terlich)
MID: Ablett, Boyd Pendlebury, Murphy, Fyfe, Embley, Crouch, O'Meara (Wines, Mitchell)
RUCK: Cox, Leunberger (Daw, Currie)
FWD: Bartel, Rockliff, Robinson, Walker, Karnezis, Macaffer (Rowe, Neade)

Cash Left $87,700

My concers are-
3 rookies in Def???
Mid Premiums???