[naviga:h3]Tuesday[/naviga:h3]

HockeyPIHL Class A SemifinalNorth Catholic vs. Thomas Jefferson, 9 p.m., RMU Island Sports Center[naviga:h3]Wednesday[/naviga:h3]

Boys BasketballPIAA Class 6A TournamentButler vs. Upper St. Clair, 7 p.m., at North AlleghenyPIAA Class 3A TournamentNorth Catholic vs. Aliquippa, 7:30 p.m., at North Hills

Girls BasketballPIAA Class 4ANorth Catholic vs. Central Valley, 6 p.m., at North Hills

SwimmingPIAA Championships at Bucknell University

HockeyPIHL Class AA SemifinalMars vs. Baldwin, 9 p.m., Island Sports Center

College BaseballKutztown vs. Slippery Rock, 1 p.m., Ross Memorial Park, Washington, Pa.