David Arthur Roberts was an American professional baseball player. He played in Major League Baseball as a left-handed pitcher from 1969 to 1981 for eight teams. In 1972, Roberts was 12–7 for the Astros. In 1973, he recorded a career-best 17–11 record, setting a club record with a career-high six shutouts (second in the NL). Dave Roberts has hand signed this 1970’s Houston Astros 3.5x5 B&W Photo. Bold black full pristine signature. Certificate of Authenticity from Athlon Sports Collectibles.