Thursday

Boys Basketball

WPIAL 4A Playoffs

North Catholic vs. Uniontown, 8 p.m., at Norwin

District 10 4A Playoffs

Slippery Rock vs. Warren, 6 p.m., Hagerty Family Events Center, Erie

Bowling

WPIBL Girls Singles Tournament at Mt. Lebanon Lanes, 2:30 p.m.

Friday

Boys Basketball

WPIAL 6A Playoffs

Butler at Mt. Lebanon, 8 p.m.

Seneca Valley at Upper St. Clair, 7 p.m.

District 9 1A Playoffs

Union at Clarion, 7 p.m.

Girls Basketball

WPIAL 5A Playoffs

Mars vs. Oakland Catholic, 6 p.m., at North Allegheny

WPIAL 4A Playoffs

Beaver at North Catholic, 7 p.m.

Swimming

WPIAL Diving Championships at North Allegheny, 2:30 p.m.

Saturday

Wrestling

WPIAL Individual Section Tournament, 9 a.m., at North Allegheny

Swimming

WPIAL Diving Championships at North Allegheny, 11 a.m.