On November 28, 1961, the Milwaukee Braves traded Frank Thomas and a player to be named later to the Mets in exchange for another player to be named later. On May 21, 1962, the two teams completed the trade with the Mets sending Gus Bell to the Braves and the Braves sending minor leaguer Rick Herrscher to the Mets.
Herrscher made his Major League debut on August 1 as a pinch hitter for Choo Choo Coleman, he reached on an error. Four days later he hit a 3-run home run against the Cincinnati Reds for his first Major League hit. Herrscher finished out the season with the Mets appearing in 35 games while playing first base, third base, shortstop and the outfield. He hit .220 with 1 home run and 6 RBIs.
Herrscher spent the next two seasons playing in the Mets minor league system before retiring after the 1964 season. Following his playing career, he went on to become a successful orthodontist
While with the Mets Herrscher wore number 6.