Utah State plays UNLV on Tuesday night at the Spectrum.
The loss of Moore will have a "huge" impact on his team, Duryea said. He is "trying to figure out" how to proceed without the Aggies' most athletic front-court player, who only recently established himself as a rotation regular.
In three games before being injured, Moore averaged five points and 7.7 rebounds in 27 minutes.
After finishing with six points, nine rebounds, four steals and four assists in his first career start at New Mexico, Duryea said, "Getting Grayson Moore more minutes is something we need to do.