Former Chelsea star Oscar 'forced to RETIRE' after discovery of heart issue
Former Chelsea midfielder Oscar is reportedly set to retire after collapsing during a training-ground exercise test with Sao Paulo and later being diagnosed with vasovagal syncope, a condition affecting heart rate and blood pressure. The 34-year-old, who returned to his boyhood club last December, has now informed Sao Paulo of his intention to end his career following the frightening incident.