Legros is a 5-foot-9 junior outside hitter from Verviers, Belguim.
She was also selected the NAIA Women's Volleyball National Defender of the Week.
The Argos beat MSU-Northern 3-1 and edged Carroll College 3-2.
Legros averaged 9.11 digs per set.
Also nominated and listed in alphabetical order: Gionni Brown of Lewis-Clark State, Ayla Carpenter of Carroll College, Ayla Embry of Rocky Mountain and Sabrina Hopcroft of Montana Tech.