Winger Selwyn Cobbo has emerged as the man most likely to replace injured Reece Walsh at fullback for Brisbane, but the fraught positional switch is not the only spine issue for the side.
Top-of-the-table Canterbury are on their way to Suncorp Stadium on Thursday night, when the Broncos will be without Walsh after he injured his right posterior cruciate ligament in the 20-18 golden-point loss to the Warriors.
