AFL Supercoach Jack Grimes Or Dean Cox?

should i trade ben hudson for dean cox or matt suckling for jack grimes i know obvious choice is Dean cox but this is my last trade of year and nathan j brown is coring bad and injured and i need a backman reserve i have alot of money from my last trade of griifen for beau muston which is why i can trade hudson for cox or suckling for grimes but what should i do??? please help