A first-team offensive end and linebacker, Mawhirter has caught 14 passes for 182 yards and has a team-leading 82 tackles.
He has two sacks.
Four of his teammates are on the first team for offense, including senior quarterback Brandon Smith, senior running back Mitch Benkey, junior receiver Dale Irby and senior tackle Geno Zappa.
The Pirates, who won the SBC title outright, placed five players on the first-team for defense.
The group includes Mawhirter, junior linemen Chase Green and Kyle Lewis, junior defensive back David Doster and Irby.
Perkins is slated to play Bellevue at 7 p.m. Saturday in Division III, Region 10 semifinal action at Clyde High School.
Clyde, Oak Harbor, Huron and Port Clinton all have representatives on the first-team offensively and defensively.
Read more in Tuesday’s Sandusky Register and Norwalk Reflector.