Joe Cullen insists he is good enough to win a major following his European Darts Matchplay triumph

Joe Cullen insists he is great enough to win a major after he claimed the European Darts Matchplay championship. Cullen, nicknamed’Rockstar’, acquired his maiden European Tour title with a remarkable victory over world # 1 Michael van Gerwen in the final. The 30-year-old from Bradford includes three PDC titles to his title, but he’s set…