He has only played one match since winning his fourth World Championship in 2012, but all eyes will be on 'The Rocket' Ronnie O'Sullivan, as he makes his much anticipated return to the game. With 9 frames to play in this session and a maximum of 10 in the evening session, can the defending champion continue where he left off 12 months ago? Hazel Irvine introduces live coverage from the Crucible as the 17-day tournament gets under way. Show less