Could The Women’s Outdoor Classic Spark a Trading Card Set? Hockeyology by Russ_Cohen - April 29, 20160 On December 31, 2015, women’s hockey took an unprecedented step when the NWHL and CWHL partnered with the NHL and the two North American professional hockey leagues played an exhibition game at Gillette Stadium. The Les Canadiennes of the CWHL, the 5-team Canadian League, played the Boston Pride of the NWHL,