"The whole situation obviously has to be completed by Wednesday", Johnson told BBC Radio Bristol, "But I've just spoken to the Chairman and I said we need to agree the figures before the weekend really if you are ever going to agree it. That would then allow us to bring someone else in or just look at the situation and decide what we are going to do if he goes".
"It could be that Swansea are offering him more than we could offer him", Johnson continued, "and it could be that Lee just feels it's time for a change. We don't know that yet because I haven't really discussed it with him".