By: Chris Harlan
Friday, May 9, 2025 | 3:31 PM

Christopher Horner | TribLive
North Allegheny’s Nicolas Varlotta drives in two runs with a single during the seventh inning against Shaler on Thursday, May 8, 2025, at Matulevic Field in Shaler.
North Allegheny was the only defending champion to draw a No. 1 seed Friday when the WPIAL released brackets for the upcoming baseball playoffs.
The Tigers were seeded first in Class 6A. The other top seeds went to Pine-Richland in 5A, Indiana in 4A, Riverside in 3A, Neshannock in 2A and Serra Catholic in A.
The playoffs begin Tuesday with first-round games in Class A, 2A and 3A.
Class 4A and 5A start play Wednesday while the Class 6A bracket begins May 19.
The championship games are May 27-28 at EQT Park in Washington.
Class 6A
Quarterfinals
May 19 schedule
Times, sites TBA
Hempfield vs. North Allegheny
Butler vs. Norwin
North Hills vs. Canon-McMillan
Mt. Lebanon vs Seneca Valley
Class 5A
First round
Wednesday’s schedule
Trinity vs. Pine-Richland at Plum, 6:30 p.m.
Latrobe vs. Fox Chapel at Gateway, 7 p.m.
Franklin Regional vs. Bethel Park at Boyce Mayview Park, 7 p.m.
Upper St. Clair vs. Thomas Jefferson at West Mifflin, 7 p.m.
Mars vs. Plum at Fox Chapel, 3 p.m.
Baldwin vs. Peters Township at Boyce Mayview Park, 4:30 p.m.
Montour vs. Shaler at North Allegheny, 7 p.m.
Connellsville vs. Penn-Trafford at Norwin, 4 p.m.
Class 4A
First round
Wednesday’s schedule
Ambridge vs. Knoch at North Allegheny, 4 p.m.
Derry vs. Belle Vernon at Gateway, 4 p.m.
Greensburg Salem vs. Central Valley at Seneca Valley, 6 p.m.
Ringgold vs. Blackhawk at West Mifflin, 4:30 p.m.
Byes: Indiana, West MIfflin, Elizabeth Forward, Beaver
Class 3A
Preliminary round
Monday’s schedule
McGuffey vs. Shady Side Academy at West Mifflin, 5 p.m.
Keystone Oaks vs. South Allegheny at West Mifflin, 7:30 p.m.
First round
Tuesday’s schedule
McGuffey/Shady Side Academy vs. Riverside at Seneca Valley, 6 p.m.
Charleroi vs. Burrell at Gateway, 3 p.m.
Freeport vs. Waynesburg at Gateway, 5:30 p.m.
Mt. Pleasant vs. South Park at Gateway, 8 p.m.
Keystone Oaks/South Allegheny vs. Avonworth at Fox Chapel, 4:30 p.m.
Ligonier Valley vs. Quaker Valley at Fox Chapel, 2 p.m.
Seton LaSalle vs. Ellwood City at North Allegheny, 7 p.m.
Mohawk vs. Deer Lakes at North Allegheny, 4 p.m.
Class 2A
First round
Tuesday’s schedule
Apollo-Ridge vs. Freedom at Plum, 7:30 p.m.
Chartiers-Houston vs. Shenango at Burkett Park, 4 p.m.
Laurel vs. Fort Cherry at Shaler, 2 p.m.
New Brighton vs. South Side at Shaler, 4:30 p.m.
California vs. Riverview at Norwin, 4:30 p.m.
Bye: Neshannock, OLSH, Burgettstown
Class A
First round
Tuesday’s schedule
Winchester Thurston vs. Jefferson-Morgan at Norwin, 2 p.m.
Rochester vs. Bishop Canevin at Burkett Park, 6:30 p.m.
Sewickley Academy vs. Greensburg Central Catholic at Plum, 5 p.m.
Avella vs. Western Beaver at Boyce Mayview Park, 3 p.m.
Union vs. Carmichaels at Boyce Mayview Park, 5:30 p.m.
Bye: Serra Catholic, Eden Christian, Leechburg
Chris Harlan is a TribLive reporter covering sports. He joined the Trib in 2009 after seven years as a reporter at the Beaver County Times. He can be reached at charlan@triblive.com.