Kalbfleisch played 36 games over four seasons in the National Hockey League for the Ottawa Senators, St. Louis Eagles, New York Americans and Boston Bruins from 1933 to 1937.
After successful years in the junior ranks which included winning an S.P.A. title and competing in the Ontario Hockey Association junior finals, Kalbfleisch became an outstanding defenceman for the 1932-1933 Niagara Falls Cataracts senior squad which annexed the Ontario Hockey Association Senior Championship and advanced to the Eastern Canadian finals in Allan Cup play.
NHL scouts were impressed with his efforts in the senior confrontations and the following season Kalbfleisch jumped directly from amateur ranks to the National Hockey League with the Ottawa Senators.
FoIIowing his hockey career Jeff returned to Niagara Falls and transferred his considerable athletic talents to amateur baseball.
Born in New Hamburg, Ontario, the man known as "Jake" played two years each with the Niagara Falls Cataracts junior and senior clubs.