Ronnie O'Sullivan slams Mark Allen for 'worst performance ever' during UK Championship final
![Ronnie O'Sullivan slams Mark Allen for 'worst performance ever' during UK Championship final](https://i2-prod.mirror.co.uk/incoming/article28540953.ece/ALTERNATES/s615/0_Untitled-1.jpg)
Mark Allen made a poor start to his UK Championship final against Ding Junhui - and his performance was ripped apart by seven-time world champion Ronnie O'Sullivan