A number of key factors are analysed by the footy site to give a piece of gossip a rating out of five in terms of how believable it is.
The volume of whispers, the authority of the sources and how recent the rumour is are all taken into account by the index.
The Toffees are starting over following a disappointing season that saw them finish 11th.
New boss Ronald Koeman looks set to splash some serious cash with the backing of new major shareholder Farhad Moshiri.
Transfer rumours are already flooding in, but which ones look more likely to happen?
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