Tough. Innovative. Pragmatic with a soft side. Those are some of the words an emotional Paul Roos used to describe Australian Rules titan Robert Walls after the passing of the 74-year-old. Walls won four premierships as a player and coach with Carlton and his influence spread well beyond the navy blues. Roos reflects on Walls' legacy and recollects his farewell to the man who coached him at Fitzroy. Featured: Paul Roos, AFL premiership coach.

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