Joe Cullen has clapped back at critics following his terse post-match interview with Sky Sports' Abigail Davies at the World Darts Championship. Despite a resounding 3-0 victory over Wessel Nijman, Cullen was noticeably curt with Davies and offered up mostly one-word responses. The 35-year-old progressed to the third round at Alexandra Palace after his commanding win against Nijman, who had been tipped by bookmakers as the favourite for their match. 'The Rockstar' - clearly irked by being