Ronnie O’Sullivan staged a final comeback for the second week in a row as he came from behind to beat Judd Trump 10-7 and win the World Grand Prix on Sunday. Just seven days ago, the Rocket trailed Ali Carter 6-3 in the final of the Masters at Alexandra Palace, with few giving him a chance of turning things around. But he responded by winning that competition and now, a week on, he’s repeated the feat. Trump started the better of the two men, racing into a 4-0 lead with O’Sullivan struggling to find his mojo. However, he started to up the ante and was able to head into the evening session 6-3 …