3. Schalk Burger
Burger could have hung up his boots in 2006 after breaking his neck in a Test against Scotland. He could have retired in 2013 after surviving an illness that saw him at death’s door. Incredibly, he made a full recovery on both occasions. The 36-year-old, who left Saracens this summer, is yet to confirm his retirement and would be thought of as an incredible signing for almost any club on the planet.
4. Sonny Bill Williams
The CV of Sonny Bill Williams has reportedly been doing the rounds over the desks of director of rugby’s far and wide in recent months as the powerful centre looks for a final big payday. The main rumour doing the rounds is that he’ll be a marquee signing for rugby league side Toronto Wolfpack on a multi-million-pound deal.