After winning a second consecutive Iowa High School Hockey Alliance championship last season, the Boji Mammoths entered the 2023-24 season needing to rebuild. The departure of a large senior class — which included Pierce Hetland, Wes Radcliffe, Blake Danielson, Dillon Ferguson, Cale Quiring and Regan Crichton — accounted for 90% of the team’s offensive firepower, according to coach Brett Hetland.