In February 2013, Romo and the Giants agreed to a two-year, $9 million contract. Romo began the 2013 season as the Giants' closer. He had 10 saves in April, second in Giants' history for the month to Rod Beck (11). On July 14, he was added to the NL All Star Game roster after Jeff Locke and Jordan Zimmermann made starts on Sunday and became ineligible to pitch. It was the first All-Star selection of his career. However, Romo was not used in the All-Star Game. In August, Romo converted all nine of his save opportunities. Romo finished the 2013 season with a 2.54 earned run average and 38 saves in 43 chances, appearing in 65 games. He had a career-high five wins but also a career-high eight losses. His 38 saves made him the sixth Giant to achieve 30 saves in a season and tied him for third in the league with Chapman, behind Kimbrel's 50 and Rafael Soriano's 43.