The Brazil defender is understood to have been at war with the club as he tries to force a move to the Emirates.
Frank Lampard is understood to have moved decisively after his first big test and a deal worth around £8million is expected to be agreed ahead of tonight’s 6 pm CET deadline.
Chelsea have confirmed Luiz did not train with the first team on Wednesday but reject claims in France that he went on strike amid escalating tensions at their Cobham HQ.