Mount Si defeated Redmond, 21-7, in football action on Friday night.
The home Wildcats led 14-0 at halftime and 21-0 after three quarters.
With 3:24 left in the contest, Redmond quarterback Nick Swanson threw a 19-yard touchdown pass to wide receiver Parker Narloch, who also converted the PAT.
Redmond is 0-2 on the season.
The Mustangs will host Woodinville at 7 p.m. this Friday.