Hockey

Butler vs. West Allegheny, 9:15 p.m., Island Sports Center

South Fayette vs. Mars, 8 p.m., UPMC Lemieux Complex

Freeport vs. North Hills, 7:15 p.m., Island Sports Center

Boys SoccerPIAA 4A PlayoffsHempfield at Seneca Valley, 5 p.m.PIAA 2A PlayoffsKarns City at Somerset, 7 p.m.North Catholic at Richland, 6 p.m.Girls SoccerPIAA 4A PlayoffsSeneca Valley at McDowell, 6 p.m.PIAA 3A PlayoffsRed Land at Mars, 5 p.m.PIAA 2A PlayoffsNorth Catholic at Karns City, 6 p.m.Girls VolleyballPIAA 3A PlayoffsPlum at Freeport, 7 p.m.PIAA 2A PlayoffsCorry at North Catholic, 6 p.m.HockeyBlackhawk vs. North Catholic, 9:10 p.m., UPMC Lemieux Complex