Crystal Palace are hoping to complete a deal for Sunderland left-back Patrick van Aanholt within the next 48 hours, according to reports.
Palace have reportedly already had a £7million bid rejected but manager Sam Allardyce is keen to get a deal done.
Reports suggest it could take £12m for Sunderland to accept
The ex-Chelsea defender could make the switch as early as this week.
Moyes has been told he can use £10m from the sale of the Dutch full-back to strengthen his Sunderland squad and add quality to his first team.
Big Sam wants to be reunited with Van Aanholt after working with him at Sunderland.
He has been targeted by Sam Allardyce to as his priority is to find a left-back as Pape Souare is unavailable.
The 26-year-old was also on the hit-list of Swansea boss Paul Clement, who knew him from their time together at Chelsea, but they moved for Martin Olsson in a £5m deal.