Career
Pokka played with Kärpät in the Master of Science-Liiga during the 2010-2011 season. He was drafted 23rd overall by Avangard Omsk in the 2012 KHL Junior Draft and 34th overall by the New York Islanders in the 2012 National Hockey League Entry Draft. On May 28, 2014, Pokka was signed to a three-year entry-level contract with the Islanders.
Prior to the 2014-2015 season, on October 4, 2014, Pokka was traded, along with T. J. Brennan and Anders Nilsson by the Islanders to the Chicago Blackhawks in exchange for Nick Leddy and Kent Simpson.
He was then directly assigned to AHL affiliate, the Rockford IceHogs.