 On July 17, 2017, Pirri was reportedly signed to a one-year contract by the ZSC Lions of the National League (NL).However, with an announcement never materialising he remained a free agent, later accepting an invitation to return to his former club, the Florida Panthers, on a professional try-out contract on August 29, 2017.After competing in training camp and pre-season, Pirri was unable to earn a contract with the Panthers and was released on October 1, 2017.