-Former Chelsea midfielder Oscar was released from hospital on Sunday after being admitted for five days due to cardiac complications, his club Sao Paulo said. The 34-year-old Brazilian suffered cardiac alterations during pre-season tests on Tuesday and was attended to by club staff and a medical team from Einstein Hospital Israelita. Extensive evaluations confirmed the diagnosis of vasovagal syncope, a common form of fainting caused by a sudden drop in heart rate and blood pressure. "Stable