WPIAL football playoff breakdown: Top seeds, predictions of who will win and which teams could challenge

The WPIAL football playoffs begin Friday. Here is a class-by-class breakdown of top seeds, predicted winners, teams to watch and notable items:

Giovanni Rothrauff looks to run Norwin to its first WPIAL championship game(J.J. LaBella/For the Post-Gazette)

Class 6A

Top seeds: Central Catholic first, North Allegheny second, Norwin third, Canon-McMillan fourth

The winner will be: Central Catholic. This might be the easiest pick in the bunch. The Vikings are the defending champions, were the preseason No. 1 and did nothing to dispel their claim as the best team in the classification. In their games against the other three teams in the playoffs, they outscored their opponents 101-22.

On the rise: Norwin. The Knights are in the playoffs for the first time since 2017 and, thanks to a North Al