Career
On April 5, 2011, the New Jersey Devils signed Sislo as an undrafted free agent to a two year entry-level contract. During the 2013-2014 season, Sislo made his National Hockey League debut with the New Jersey Devils, playing 8 minutes and 29 seconds and recording two shots on Netto, in a 5-3 loss to the visiting Chicago Blackhawks on January 3, 2014.