Wednesday

Baseball

WPIAL 5A Playoffs

Mars vs. Fox Chapel, 6:30 p.m., at Plum

WPIAL 4A Playoffs

North Catholic vs. Elizabeth Forward, 4 p.m., at Plum

Regular Season

Union/A-C Valley at Karns City, 5:30 p.m., Pullman Park

Hickory at Slippery Rock, 4 p.m.

Softball

WPIAL 4A Playoffs

Knoch vs. Chartiers Valley, 5 p.m., at North Allegheny

Regular Season

Union/A-C Valley at Karns City, 6 p.m.

Track and Field

WPIAL Championships at Slippery Rock University, 11 a.m.

Thursday

Baseball

WPIAL 3A Playoffs

Freeport vs. South Allegheny, 6:30 p.m., at Plum

Softball

Mercer at Slippery Rock, 4 p.m.

Boys Volleyball

WPIAL 3A Playoffs

Seneca Valley at North Allegheny, 7 p.m.

WPIAL 2A Playoffs

Montour-Gateway winner at Mars, 7 p.m.

Trinity at North Catholic, 7 p.m.

Boys Lacrosse

WPIAL 3A Playoffs

Seneca Valley at Mt. Lebanon, TBA

Friday

Baseball

Cochranton at Union/A-C Valley, 4 p.m.

Slippery Rock at Fort LeBoeuf, 4 p.m.

Track and Field

District 9 Championships at Brookville

Saturday

Track and Field

District 10 Championships at Slippery Rock University