Stephanie and Robert Dobbs attend all of their son's football games. They had seen their only child, Joshua, play in many SEC and NFL stadiums around the country, but not the one roughly 25 miles south of their home in Alpharetta, Ga., a northern suburb of Atlanta. Dobbs grew up a Falcons fan. He spent his childhood watching Michael Vick and Matt Ryan from the stands of the old Georgia Dome. ...