Kammala jumla mai zuwa: A cikin kakar 2014-15, tare da iyakance lokacin wasa a St. Louis, a ranar 15 ga Nuwamba, 2014, Leopold ya yi ciniki daga Blues zuwa Columbus Blue Jackets a musayar zagaye na biyar na zagaye a shekarar 2016. Leopold ya buga wasanni 18 tare da Blue Jackets, yana yin rajistar burin daya da taimakawa biyu, kafin ya shiga tawagarsa ta uku a shekarar da aka ba shi zuwa Minnesota Wild a musayar Justin Falk da zagaye na biyar a
2015 a ranar 2 ga Maris, 2015.