Oskoui was receiving treatment for cancer and was hospitalized in late March for pelvis and leg fractures in the capital Tehran.
He was a veteran media personality, a trademark sports commentator, and radio and television host, whose career spanned nearly 6 decades.
Besides his special tone, Oskoui was known as the trailblazer for other commentators in Iran in several fields including tennis, rally, equestrianism, and skiing.