Shantavia Jackson signed her three sons up for football to keep them out of trouble. As a single mother who works the night shift at a Home Depot warehouse 50 minutes away from her house, Jackson relies on the sport to shield the boys from gang activity in her rural Georgia county. They began in a local league five years ago when they were still little, their helmets like bobbleheads on their shoulders. Now 11, 12, and 14, they play in games across the region. Jackson says she passed up a daytime shift at Home Depot so that she can...