Barton Wallace Zeller (born July 22, 1941) is a former professional baseball catcher. He played one game in Major League Baseball in 1970 for the St. Louis Cardinals. He recently served as manager of the Joliet Slammers of the Frontier League but was released on September 10, 2012.
Zeller was signed by the Cardinals in 1963 and spent four years in the Cardinals' farm system. After missing the 1967 season, he spent 1968 and 1969 with the Lewiston Broncs and Arkansas Travelers, respectively. Zeller played in his only major league game on May 21, 1970, against the Philadelphia Phillies. He was inserted to catch the bottom of the ninth inning. Zeller never had a plate appearance, but was credited with one put out, on Billy McCool's strikeout of Jim Hutto. Zeller batted and threw right-handed. His jersey number was 29. At the time of play he was 6 ft 1 in tall and weighed 185 lb.
Zeller was released as an active player by the Cardinals on June 8, but stayed on as a coach for the balance of the 1970 season. He played in the minors in 1971 in the Milwaukee Brewers and New York Yankees organizations.
Zeller was the hitting coach/third base coach for the Southern Illinois Miners of the Frontier League, an independent baseball league. Zeller began working for the Miners in their inaugural 2007 season. Before coming to the Miners, Zeller spent two seasons with the Sioux Falls Canaries as a bench coach. Zeller was named as the first manager of Slammers in January 2011.
Zeller managed the Washington Wild Things of the Frontier League in 2013 and 2014.