Former wrestling star Lanny Poffo -- younger brother of the late Randy Savage -- has died ... his friend, "Hacksaw" Jim Duggan said Thursday.
He was 68 years old. A cause of death is unknown at this time.
Poffo made his in-ring debut with the All-South Wrestling Alliance in 1974 ... before joining multiple promotions affiliated with the National Wrestling Alliance, where he won a Tag-Team Championship alongside his father, Angelo.
In 1985, Poffo joined the World Wrestling Federation .