The Ukranian side are looking to test Rangers’ resolve after the Ibrox side made it clear they wished to hold on to the player as the summer window closes.
Manager Steven Gerrard is confident Morelos will remain and sign a new £30,000-a-week contract.
Rangers rejected a £4 million offer from Bordeaux earlier this month. The French club are understood to be monitoring the situation.
The Colombian was sent off during Rangers’ 1-1 draw with Ufa. Though team-mate Jon Flanagan also saw red, the nine men held out to reach the Europa League group stages.