Experienced stars Nemanja Vidic, Patrice Evra, Michael Carrick and Rio Ferdinand are all out of contract next summer.
Moyes will not want to lose four of his most important stars in one window so he must look to tie at least two of the aforementioned stars down on new contracts.
Evra has hinted he may be set to leave Old Trafford - but Vidic, Ferdinand and Carrick are all likely to be keen on extending their stay at Old Trafford.
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