After spending five seasons in the Mets minor league system, right-handed pitcher Bob Johnsn finally got the call to join the big club in September 1969. He made his Major League debut on September 19 against the Pittsburgh Pirates; he pitched 2/3 innings of scoreless relief in the Mets 8-2 loss. Johnson made one more appearance on October 1 and earned his first big league save by pitching a scoreless 12th inning in the Mets 6-5 win over the Chicago Cubs
Following the season Johnson was traded to the Kansas City Royals along with Amos Otis in exchange for Joe Foy.
While with the Mets Johnson wore number 29.
Bob Johnson also played for the following teams:
Kansas City Royals – 1970
Pittsburgh Pirates – 1971-1973
Cleveland Indians – 1974
Atlanta Braves – 1977