Goal (Rule 9, Conduct of Play): the ball must wholly cross the goal line between the posts, propelled from inside the shooting circle by an attacking player's stick; A shot originating from outside the circle does not count as a goal; The team with the most goals at the end of regulation — or, in...
Why people argue about this
People often assume that a goal is scored if the ball even touches the post or crossbar before crossing the goal line, which isn't true according to NCAA rules. The confusion arises because they overlook the crucial part: the ball must wholly cross between the posts and be propelled by an attacking player's stick from inside the shooting circle for it to count as a score.