where should i be looking at upgrading or downgrading to complete

[jakeoner1]

backs: lids, goddard, gibbs, fisher, heppell, lower, pup ( markovic, cripps, jacobs)
mids: swan, judd, bartelm watson, priddis,d. swallow (mundy, anthony, libba)
rucks: mcevoy, smith (sandi, spencer)
fwds: buddy, roo, chappy, jroo, petrie, pav, lecras ( lynch, mzungu, howe)

where should i be going with this team, looking for league wins

thanks