BY BRIAN HAMILTON SEYMOUR – The Eagles were clinging to a 14-12 lead over winless Heritage early in the fourth quarter, when Brendon Harris went into the end zone for a score, giving Seymour a 21-12, en route to a 27-12 win in a game that was closer than expected. “I saw resolve and a lot of grit,” Seymour head coach Scott Branton said. “We came out and played pretty well in the opening, but we fell a little flat when we got that early lead. It came back to bite us a little bit.” The Eagles scored first when …