Boys Soccer

Slippery Rock at West Middlesex, 7 p.m.

Volleyball

Slippery Rock at Conneaut, 7:15 p.m.

Boys SoccerDistrict 9 Class A playoffsRidgway at Karns City, 7 p.m.Girls SoccerDistrict 9 Class A playoffsBrookville or Port Allegany at Karns City, 5 p.m.WPIAL playoffsClass AAASeneca Valley vs. Fox Chapel, 8 p.m., at MarsClass AAMars vs. Central Valley, 8 p.m., at HamptonVolleyballWPIAL playoffsClass AAAPeters Township at Seneca Valley, 7:30 p.m.ThursdayVolleyballMoniteau at Keystone, 6 p.m.Slippery Rock at Hickory, 7:15 p.m.Cross CountryWPIAL championships at Coopers Lake, 11 a.m.HockeyUpper St. Clair vs. Butler, 8:30 p.m., Ice ConnectionSerra Catholic vs. Freeport, 9 p.m., Belmont Arena