The Australian and the American have previously met three times in the octagon, with all three fights going to Alex.
"Now he has the BMF belt, so anything can happen. I always thought, 'Why make a fourth fight.' But now it occurs to me that there's something to it. It used to look different - 3-0 in my favor, why get off the couch at all? But the BMF belt I haven't had to touch yet. So we can fight again," Fox Sports quoted Volkanovski as saying.