Getty The Atlanta Falcons have found their backup running back, at least for now. Tyler Allgeier walked out the door in free agency earlier this move, which led to Atlanta searching for a new tailback to pair with Bijan Robinson. Well, on Tuesday, the Falcons agreed to terms with former Washington Commanders and San Francisco 49ers running back Brian Robinson on a contract. While Brian Robinson Jr. has the ‘Jr’ attachment to his last name, this is a funny signing because now the Falcons