Romo began the 2014 season well, with a 1.65 ERA and 12 saves through May 9. However, Romo struggled after that, recording five blown saves and a 9.00 ERA from May 9 to June 30. Romo was removed from the closer role on that date, with the Giants announcing their intention to go to a closer-by-committee. Used as the eighth inning setup man for the remainder of the season, Romo appeared 30 times after July 1 and had a 2.10 ERA over innings with 32 strikeouts and 5 walks. He finished the year 6–4 with a 3.72 ERA, 59 strikeouts in 58 innings, and 12 walks over 64 games. In save opportunities, he was 23 for 28. In the 2014 NLDS against the Washington Nationals, Romo pitched three scoreless innings over three games. He took the loss in Game 2 of the NLCS against the Cardinals after allowing a game-ending home run to Kolten Wong. He recovered to earn the win in Game 3 by retiring Matt Holliday as the Giants won in extra innings. In the 2014 World Series, Romo appeared in two games, pitching 2 innings with four strikeouts and no runs allowed, earning his third World Series championship with the Giants.