The Atlanta Falcons and first-round draft pick Sean Weatherspoon have agreed to a five-year contract that could be worth as much as $17.5 million, a league source told NFL Network insider Jason La Canfora on Thursday. Weatherspoon, a 6-foot-1, 239-pound linebacker from Missouri, was drafted 19th overall by the Falcons in April. His contract contains $10.5 million in guaranteed money, the source said.