The Mets play their 3,000th game in franchise history, dropping an 8-3 decision in the nightcap of a twin bill sweep by Cincinnati at Riverfront Stadium. The Amazins have compiled a 1300-1694 (.434) record along with six ties since playing their first game in 1962.

On July 18, 1980 — The Mets play their 3,000th game in franchise history, dropping an 8-3 decision in the nightcap of a twin bill sweep by Cincinnati at Riverfront Stadium. The Amazins have compiled a 1300-1694 (.434) record along with six ties since playing their first game in 1962.

Source:
National Pastime July 18