TuesdayBaseballWPIAL Class AAA PlayoffsMars vs. Chartiers Valley, 4:30 p.m., at Burkett ComplexKnoch vs. Blackhawk, 7 p.m., at Burkett ComplexDistrict 9 PlayoffsA-C Valley at Port Allegany, 4:30 p.m.Boys VolleyballWPIAL playoffsSeneca Valley vs. Penn-Trafford, 7:30 p.m., at BaldwinGirls LacrosseWPIAL Div. 2 PlayoffsMars vs. Bethel Park, 7:45 p.m., at North AlleghenyLegion BaseballValley at MarsEast Butler at KiskiWest Sunbury at Butler CityMeridian at Slippery RockSaxonburg at Center Township

WednesdayBaseballDistrict 9 PlayoffsMoniteau vs. Brookville, 4:30 p.m., at KeystoneCranberry vs. Karns City, 4:30 p.m., at FairviewSoftballDistrict 9 PlayoffsKarns City or Redbank Valley at Moniteau, 4:30 p.m.District 10 PlayoffsSlippery Rock vs. General McLaneGrove City vs. HickoryEagle County BaseballMars at Mars Sliders, 6:15 p.m.Pine-Richland at Mars II, 6 :15 p.m.Cranberry at Zelienople, 6:15 p.m.