Belying his tenders years Warburton, 23, won plaudits left, right and centre in New Zealand despite blotting his copy book in unforgettable fashion by being sent off in Wales' semi-final defeat against France.
Despite that setback, and the considerable records of his competition to take the crown, most notably World Cup-winning coach Graham Henry, Warburton emerged as the rugby writers' top dog for 2011.
And RUWC chairman Paul Morgan insisted such were the displays of the Welshman that he has propelled himself into contention for the British and Irish Lions captaincy.
"Sam has had an exemplary year, leading Wales with great dignity, marking himself out as one of the leading candidates to captain the Lions in 2013," said Morgan.
"He's a worthy recipient of the Pat Marshall Trophy, just beating Graham Henry in a poll of rugby media. He joins an illustrious list of winners."
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