Butler, Mars and Seneca Valley boys volleyball teams in WPIAL quarterfinals tonight

WPIAL Boys Volleyball Semifinals Tonight:
–Butler will meet North Allegheny at 6pm. Seneca Valley will face Shaler at 7:30pm. Both matches will be played at Fox Chapel high school.
–Undefeated Mars will meet Ambridge in the Class 2A Semifinals tonight at Gateway high school. The match begins at 7pm.