Born: January 8, 1936|
West Bend, Wisconsin
|June 18, 1957, for the Milwaukee Braves|
|Last MLB appearance|
|May 20, 1962, for the New York Mets|
|Runs batted in||7|
|Career highlights and awards|
John Stephen "Thumper" DeMerit (January 8, 1936 in West Bend, Wisconsin) is a former professional baseball player. He was an outfielder over parts of five seasons (1957–1959, 1961–1962) with the Milwaukee Braves and New York Mets.
DeMerit was a member of the 1957 World Series champion Braves. He also appeared in 14 games for the 1962 Mets, whose 120 losses continue to be the most by a Major League team in a single season since the 19th century.