Apr 08, 2021; Pittsburgh, PA, USA; Apr 8, 2021; Pittsburgh, PA, Minn. Duluth Bulldogs goaltender Zach Stejskal (35) defends the net against the Massachusetts Minutemen during the second period in the semifinals of the 2021 Frozen Four NCAA hockey tournament at PPG Paints Arena. Mandatory Credit: Charles LeClaire-Imagn Images; Mandatory Credit: Charles LeClaire-Imagn Images