Who should I trade??

Hey Guys,
Who should I trade next week, I have two trades remaining and 12K in the bank. I'm stuck on who I should buy or sell.
Could you guys help me out??

Hooker:
Cook

Front Row:
Haas, Twal

Second Row:
Murray, Taumalolo, Tevega

Halves:
Munster, Johnson

CTR:
Bateman, Nikora

WFB:
Tedesco, Ponga, To'o

Bench:
McInnes
J. Trbojevic
Matterson
Verrills

Emergencies:
Stockwell
Allan
Kerr
Coates