Sancho, 25, is still a Man United player after Chelsea decided to pay £5 million to opt out of the £25 million obligation to buy in his loan deal.
United are understood to be desperate to offload with wantaway winger, but as of yet, no concrete move has been made.
German giants Borussia Dortmund are understood to be interested in bringing Sancho back to the club but not everyone is convinced.
According to Sky reporter Patrick Berger, Kovac has concerns about Sancho’s past issues, although sporting director, Sebastian Kehl, is reportedly "a big fan."
Sancho has one year remaining on his contract at Old Trafford and is understood to be earning over £300,000 per-week.
