Molesworth is a 6-foot-2 senior outside hitter from Gilbert, Ariz.
The Orediggers stayed unbeaten in Frontier Conference play with two home wins. Montana Tech beat Rocky Mountain 3-1 and swept Montana Western 3-0.
Molesworth averaged 4.14 kills per set with a .344 hitting percentage.
Also nominated and listed in alphabetical order: Sydney Anderson of Providence, Rachel Gregg of Lewis-Clark State, Sydney Matheny of Rocky Mountain and Holly Morehouse of Carroll College.