MondayBaseballWPIAL Class AA PlayoffsKnoch vs. Yough, 4 p.m., at HighlandsMars vs. Indiana, 6:30 p.m., at HighlandsFreeport vs. Montour, 2 p.m., at ShalerRegular SeasonSlippery Rock at Conneaut, 4:15 p.m.Cathedral Prep at Grove City, 4 p.m.SoftballWPIAL Class A PlayoffsCardinal Wuerl North Catholic vs. Bishop Canevin, 5 p.m., at Fox ChapelRegular SeasonSharpsville at Grove City, 4 p.m.

TuesdayBaseballWPIAL Class A PlayoffsCardinal Wuerl North Catholic vs. Sewickley Academy, 4 p.m., at North AlleghenySoftballConneaut at Slippery Rock, 4:15 p.m.Grove City at Reynolds, 4 p.m.Legion BaseballWest Sunbury at MarsValley at Center TownshipSlippery Rock at Butler CityEast Butler at Meridian