Snooker star Mark Allen has called for a shake-up in tournament entry rules after two players outside the top 32 were unexpectedly called up to play at the World Grand Prix . The event organisers had to scramble for replacements when Ronnie O'Sullivan and Stephen Maguire pulled out due to health reasons, bringing in Hossein Vafaei and Ben Woollaston despite them not meeting the usual ranking criteria. Voicing his concerns on social media, Allen said it's unfair that these two players now have a