Hafthor Bjornsson's potential next opponent has been told that his best chance of beating the Icelandic giant is by increasing the weight gap between them.
Weight can be a useful advantage in a boxing match, as in theory you would have more punching power and be able to take hits better.
But it also means you can be quite slow, so the extra strength comes at the cost of some speed.Bjornsson has strength in abundance – he is a former World's Strongest Man champion and holds numerous weightlifting records.
But even after slimming down massively from when he was at his peak weight, he would still be much slower than someone half his size.That's what Viddal Riley hopes would be the key if KSI were to step into the ring with the Game of Thrones actor.
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