[1] Pfalzer made her professional debut in the PHF on October 11, 2015, with the Buffalo Beauts playing against the Boston Pride.

[4] Having been part of the United States Hockey National Camp since the age of 14, she served as an assistant captain on the US team that captured the gold medal at the 2011 IIHF Under-18 Women's World Championships.

[5] Pfalzer was selected to participate at the 2018 Winter Olympics, where she helped Team USA beat Canada for a gold medal.

[6] [7] During the summer of 2018, Pfalzer became engaged to Montreal Canadiens defenceman Mike Matheson and married on July 20, 2019.

This biographical article relating to an American ice hockey defenseman is a stub.