By Daniel Chavkin The Mississippi native was visiting his family when he noticed the house next door was ablaze. Former Nebraska quarterback Tommy Armstrong Jr. and his mother saved a family from their burning house in his hometown of Gulfport, Miss., on Monday night. Armstrong was visiting his family when he noticed the house next door was on fire and decided to act. Armstrong said he’s known his neighbors for some time and wanted help any way he could to get them to safety, per WLOX-TV. “I saw a bunch of smoke, so I just started grabbing bricks and throwing ’em through the window and realize…