HOCKEY OPENERS
(2009-10 record in parenthesis)Butler (no varsity) vs. Shaler, 7 p.m., Monday, at Harmarville BladeRunnersFreeport (7-13-1) at Central Valley, 6:45 p.m., ThursdayKnoch (14-8) vs. Quaker Valley, 7 p.m., Monday, at Valley Sports CenterMars (20-2) vs. Central Valley, 6:30 p.m., Tuesday, at Warrendale BladeRunnersSeneca Valley (16-5-1) at Norwin, 6:30 p.m., Monday
