John Anthony Franco (born September 17, 1960) is a former Major League Baseball left-handed relief pitcher. During a 22-year baseball career spanning 1984–2005, he pitched for three different National League teams, the Cincinnati Reds, New York Mets, and Houston Astros. His 1,119 career games pitched is a National League record, and ranks fourth in major league history. His 424 career saves ranks fifth all-time in major league history (ranking second when he retired), and remains the most by a left-hander. For 15 of his 22 seasons, he played for the New York Mets, serving as team captain in his final years with the team.