At Butte County, the Pirates opened the season with a 74-14 win over Watersprings.
Butte County rushed for 500 yards, with Treyton Miller rushing for 112 yards and two scores and Talon Gamett rushing for a pair of scores. Freshman Razor Duke ran for 90 yards and a score.
"We're a veteran team and it just snowballed," Butte County coach Sam Thorngren said.
The Pirates host Lighthouse Christian next Friday. Watersprings is at Castleford.
SALMON 26, ANACONDA 14: At Anaconda, MT, Colter Bennett tossed three touchdown passes and ran for another as Salmon won its season opener.
Dakota Bigelow, AJ Anderson and Tyler Fitte each caught touchdown passes. Mason Lamont grabbed three interceptions.
Salmon is at South Fremont on Friday
Shelley 15, Preston 6
South Fremont 27, Timberlake 12
Soda Springs 36, Ririe 0
Declo 21, West Jefferson 0
Idaho Falls 41, Hillcrest 7
Rigby 43, Sky View (UT) 6
Minico 26, Bonneville 8
Green Canyon (UT) 16, Skyline 15
North Fremont 34, Filer 27
Jackson Hole (WY) 51, Teton 20
West Side 26, Firth 20 OT
Castleford 64, Challis 0
Shoshone 26, Mackay 6