Minno vs goldy vs walker

[tigertops]

Team is as per below. 7 trades left  334k in the bank.

Goddard Gibbs hArtlett  duffield Vlas birch Hanley Hutchins   (playing 1 short in backs. Who to get? Trade? Premos crap Next week)
GAJ pendles swan JPK cotch jelwood Mundy goodes (will be griffo) tmitch kmart

Now:
Maric cox nichollsIs Rowe
Steve j dusty bartel rocky jjkennedy Staker macaff lamb

Looking for one more fwd atm.
Either macaff to walker
Or swap cox fwd and get Minno   Or   Goldy
Bit worried goldy might be rested also
Any advice or other ideas I've overlooked much appreciated. Thankssss