Sports events
Friday
Football
WPIAL playoffs
Class 4A
Mars at McKeesport, 7 p.m.
District 10 Playoffs
Class 6A
Butler vs. McDowell, 7 p.m., Erie Veterans Stadium
Class 3A
Slippery Rock vs. Oil City, 7 p.m., at Titusville
District 9
Class 2A
Karns City vs. Brookville, 7 p.m., at Clarion
Class 1A
Union/A-C Valley at Keystone, 7 p.m.
Saturday
College Football
Edinboro at Slippery Rock, 1 p.m.
Cross Country
PIAA championship meet at Hershey
Boys Soccer
WPIAL 4A Championship
Seneca Valley vs. Pine-Richland, 5:45 p.m., Highmark Stadium
Girls Soccer
WPIAL 3A Championship
Mars vs. Moon, 1:15 p.m., Highmark Stadium
Girls Volleyball
WPIAL 3A Championship
North Catholic vs. South Fayette, 3 p.m., Robert Morris University
WPIAL 2A Championship
Freeport vs. Shenango, 1 p.m, Robert Morris University