Chelsea triggered the release clause in Ba’s Newcastle contract by offering £7m for the Senegalese striker.
Things were complicated by the fact that the player and his representatives were contractually entitled to a slice of his transfer fee reports The Telegraph.
Ba was forced to undergo a stringent medical and is expected to join up with Rafa Benitez’s squad ahead of their FA Cup tie with Southampton this weekend.
A reoccurring injury with Ba’s knee, which is believed to have initially lead several teams to reject the striker before he joined Newcastle, was reportedly scrutinised at length.
Ba’s representatives’ conduct had been publicly criticised by Newcastle manager Alan Pardew.
“In some respects, I feel a little bit sorry for Demba as well,” said Pardew, “because I think people who are representing him are not actually representing him.
“There are people out there who are saying this who are not actually involved or want to be involved, and that’s the sort of world we are in.
“The contract is what it is, we are all aware of that, and for me as the manager I need it resolved as quickly as possible.”
The 27-year-old striker scored 29 goals in 54 appearances for Newcastle.
Pundits are split as to how they see him fitting into Chelsea’s newly free-flowing frontline, with the majority appearing to suggest he might spearhead the front three with the apparently reinvigorated Fernando Torres playing off him.
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