Get the first look at the digital newspaper, curated daily stories and breaking headlines delivered to your inbox. Credit: Bradley Kanaris / Getty ImagesPut simply, Cleary v Walker embodies these eternal debates primarily because Nathan is methodical, and Sam is not. Nathan Cleary has built his game predominantly on banking insane numbers of reps on the training track. So let Thursday night be the launch of the game’s latest great rivalry and the first of many memorable showdowns between these two champion shot-callers. Sure, Cleary’s four year headstart means it won’t be a decade-long rivalry akin to Allan Langer v Ricky Stuart, Steve Mortimer v Peter Sterling or Magic Johnson v Larry Bird.