After having to wait until the fifth round, pick 150 to hear his named called in the NFL Draft, Spencer Rattler is already off to a good start with the New Orleans Saints. This past weekend, the former South Carolina quarterback took part in the Saints rookie minicamp. The camp ran from Friday to Sunday and gave players a chance to get acclimated to the Saints playbook and culture. [GamecockCentral for $1: In-depth coverage and a great community]During Saturday’s 7-on-7 and team drill periods, Rattler completed 11-of-12 passes, according to Saints News Network’s Ross Jackson. But it wasn’t jus…