The San Francisco 49ers have become one of the first teams to start to sign draft picks.The 49ers signed fifth-round pick Aaron Lynch and seventh-round pick Kaleb Ramsey. They both received four-year contracts. Lynch is an outside linebacker from South Florida. Ramsey is a defensive tackle from Boston College. Lynch probably has a better chance of making the 53-man roster.The 49ers have 10 remaining draft picks to sign.