Defending Class AA baseball champion McQuaid beat Penfield 3-1 in the semifinals at Frontier Field.
Ryan O'Mara and Noah Campanelli drove in runs on groundouts for the Knights (14-5) before Tyler Griggs drove a double to left for a 3-0 lead.
The third-seeded Patriots got a run when Andrew Ebersol scored on a wild pitch. The next batter, Brendan Miller singled to left a Jarrett Odorisi threw out the runner trying to score from second.
The defense was outstanding on both sides, the Knights turning two double plays and Miller made a couple of tremendous plays at short for Penfield.
The Knights face top ranked Victor in the finals Saturday at 10am at Frontier Field.