Hergerts played junior hockey for the Calgary Canadians and senior with the Calgary Bronks and the Drumheller Miners. He turned pro in 1933-34 in the International League. He caught the attention of the New York Americans in 1935-36 and played 19 games for them in 1934-35. Unfortunately that was almost the extent of his NHL experience (he played one more game for New York in 1935-36). He played in the minor pros until 1946-47, mostly with the St. Louis Flyers. They won the American Hockey Association titles in 1939 and 1941.