World Championship 2014: Ronnie O'Sullivan overcomes Joe Perry

Reigning world champion Ronnie O'Sullivan fights back to beat Joe Perry 13-11 to reach the quarter-finals of the World Championship at the Crucible.

Perry had led 9-7 when play resumed on Saturday morning, but O'Sullivan produced two century breaks in the last two frames having been behind in the whole match.

The 'Rocket' will either play Shaun Murphy or Marco Fu in the last eight.

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