Manchester United need to take advantage of transfer windows still being open, says Peter Schmeichel, with it suggested that underperformers should be moved on.
Clubs across Europe can bolster their ranks until September 2.
Premier League clubs are no longer able to bring players onto their books, but they can shift bodies out.
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It has been widely reported that there could be further movement at Old Trafford before the turn of the calendar month.
Alexis Sanchez has failed to convince during his time at United, with Ole Gunnar Solskjaer admitting that talks are ongoing with a few suitors.