record for most mlb losses in a season
List of worst Major League Baseball season records The 1962 New York Mets were an expansion team created to fill the void after the New York Giants and Brooklyn Dodgers left New York City at end of the 1957 season. The Mets, filled with castoffs like "Marvelous" Marv Throneberry as well as aging Hall of Famer Richie Ashburn and low-talent rookies such as Choo-Choo Coleman, finished with the third-worst winning percentage in the modern era and the modern-era record for most losses. The Mets went on to finish last or next-to-last for seven years in a row, before they shocked the baseball world by winning the 1969 World Series.