Celtic could sign the midfielder for nothing this summer.
Sunderland's rebuild still needs some work, with Lee Cattermole interesting other sides.
Glasgow Rangers had hoped to bring Youssouf Mulumbu to Ibrox, while their rivals were also reportedly keen.
The seven is based solely on current ability and form, and does require a combination of the two.
Steven Gerrard’s Rangers and Brendan Rodgers’s Celtic reportedly want Youssouf Mulumbu of Kilmarnock.
Youssouf Mulumbu has been linked with a move to Scottish Premiership champions Celtic and he showed why at Parkhead on Wednesday.
Graham Dorrans has arguably been one of Glasgow Rangers' most disappointing players since he returned for the Ibrox side.
Glasgow Rangers have wasted little time identifying targets they want to bring to Ibrox this summer.
Rangers and Celtic have reportedly been looking at Kilmarnock's Youssouf Mulumbu and Dundee's Scottish Premiership star Glen Kamara.
Graeme Murty’s Rangers and Brendan Rodgers’s Celtic reportedly want Youssouf Mulumbu of Kilmarnock.