‘Kahun, who has played two seasons in the NHL since signing with the Chicago Blackhawks as a free agent, totaled 12 goals with 19 assists for 31 points in 56 games between Buffalo and Pittsburgh last season. He counted only $925,000 against the salary cap, but the Sabres feared he would receive a substantial raise through arbitration, which could limit their financial flexibility during a free agency period that is expected to include more talented players than previous years.’