![Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter](https://pbs.twimg.com/media/CC9pTtUW0AA0Vic.jpg:large)
Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter
![Match referee Paul Collier looks on during the first round match with... Fotografía de noticias - Getty Images Match referee Paul Collier looks on during the first round match with... Fotografía de noticias - Getty Images](https://media.gettyimages.com/id/950383656/es/foto/match-referee-paul-collier-looks-on-during-the-first-round-match-with-jamie-jones-of-wales-and.jpg?s=1024x1024&w=gi&k=20&c=zwS4aprTSjzGD_Mz7_BTDZtxL1pzKWX1ioNQRu69weM=)
Match referee Paul Collier looks on during the first round match with... Fotografía de noticias - Getty Images
![25.04.2012, Sheffield, England. Paul Collier re-spots the cue ball during the World Snooker Championship from the Crucible Theatre Stock Photo - Alamy 25.04.2012, Sheffield, England. Paul Collier re-spots the cue ball during the World Snooker Championship from the Crucible Theatre Stock Photo - Alamy](https://c8.alamy.com/comp/CAWAPM/25042012-sheffield-england-paul-collier-re-spots-the-cue-ball-during-CAWAPM.jpg)