Michael van Gerwen extremely critical despite victory over Martijn Kleermaker: ‘It is a learning process, but I am disappointed’

Michael van Gerwen and Danny Noppert have closed the group stage of the Grand Slam of Darts without missing a beat. Van Gerwen defeated Martijn Kleermaker 5-4 on Tuesday evening in a Dutch meeting. Noppert was too strong for Brendan Nolan in his third and final group match with the same figures.