Top seeded McQuaid entered the Class A sectional championship looking to avenge the reigning champs, No. 2 Fairport.
The Knights defeated the Red Raiders three sets to one in front of a packed house at Webster Schroeder on Thursday night.
McQuaid got the scoring started early with a 25-18 win in the first set. Fairport answered with a 25-20 second set to tie the game up.
The Red Raiders struggled in the third set, as the Knights came out on top 25-15. The final set was a close battle, but McQuaid sealed the deal with a 25-21 win.
The Knights head to Midlakes on Saturday to face the winner of Clarence and Orchard Park.