Ronnie remains at war with Williams
O'Sullivan followed Williams into round two of the Citywest Irish Masters with a hard-fought 5-3 victory over Stuart Bingham and it was not long before he took another verbal swipe at his one-time stablemate.
Responding to comments in O'Sullivan's autobiography in which the Rocket said he knew of no one in snooker who likes Williams, the left-hander from Cwm said: "Stupid people say stupid things."