The Mets and Jets are two professional sports teams based in New York City. The Mets are a Major League Baseball team, while the Jets are a National Football League team. The Mets and Jets both have a long history of success, with the Mets winning two World Series titles and the Jets winning one Super Bowl. The term 'Mets and Jets' is often used to refer to the two teams collectively. The answer to the crossword puzzle for the term 'METS AND JETS' is PROS, which stands for Professional Sports.