On 21 August 2010, NAC and Maaskant made public that the trainer would leave NAC Breda for Polish football club Wisła Kraków, where Maaskant signed a two-year deal.[9] His assistant managers John Karelse, Gert Aandewiel and Arno van Zwam became the interim managers for NAC Breda. In January 2011 Bernard Ouwerkerk resigned and was succeeded by Ed Busselaar. In March 2011 it appeared that NAC had a debt of €7.1 million.