Mountain West Basketball: Power rankings after first week of league games

BOISE, ID - NOVEMBER 30: Guard Chandler Hutchison
BOISE, ID - NOVEMBER 30: Guard Chandler Hutchison
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LAS VEGAS, NV – FEBRUARY 11: Jaycee Hillsman
LAS VEGAS, NV – FEBRUARY 11: Jaycee Hillsman

The first week of games in Mountain West basketball has been completed. Which team made a huge jump to the top spot and who fell?