Walker, the 1982 Heisman Trophy winner and a Wrightsville, Ga., native, has long lived in Texas after a professional football career that ended in Dallas, but he changed his voter registration last week to an Atlanta house owned by his wife, Julie Blanchard. Blanchard is under investigation by the Georgia secretary of state's office over potential illegal voting after The Atlanta Journal-Constitution reported she voted in Georgia despite living in Texas. Walker has been open about his past struggles with mental health and dissociative identity disorder, including alleged violent outbursts against his ex-wife, Cindy Grossman. A recent poll by the left-leaning Public Policy Polling had Walker with high favorability ratings and name recognition among Georgia GOP voters. Herschel played running back for the University of Georgia, where he was a 3-time All-American and winner of the 1982 Heisman Trophy and Maxwell Award. He is the only player in NCAA history to finish in the top 3 in Heisman voting every season he played football, winning it his junior year. Walker left Georgia a year early electing to play football in the USFL, a start-up league who would take players after there junior year, at the time the NFL would not. Walker was drafted in 1985 by the Dallas Cowboys who suspected the USFL would fold, which it did. Herschel would have his best NFL years in his first stint with the cowboys, most notably rushing for 1514 yards in 1988. He would then go on to play in Minnesota, Philadelphia, New York Giants, and finished his NFL career back in Dallas. In 2009 Herschel signed with MMA promotion Strikeforce to compete in the heavyweight division. He began a 12-week training camp with trainer “Crazy” Bob Cook at the American Kickboxing Academy in October 2009. He made his MMA debut on January 30, 2010, Walker defeated Greg Nagy via TKO. Walker then signed to fight Scott Carson. They fought on January 29, 2011, and Walker defeated Carson via TKO (strikes) at 3:13 of round 1. Following his second victory, Walker looks to continue his MMA career.