St. Louis Browns pinch hitter / first baseman, Frank Kellert, was born on July 6, 1924 in Oklahoma City, Oklahoma. He would build n 11-year professional baseball career that included nine seasons in the minor leagues and four seasons in the Majors. Kellert was a standout hitter throughout the minors, where he recorded 1337 hits in 1397 games. He recorded a batting average of over .285 seven times in his nine minor league seasons.
Kellert was a standout athlete at Classen High School in Oklahoma City before going on to play for Oklahoma State University. After three years with the "Cowboys", Kellert was signed by the St. Louis Cardinals as an amateur free agent. He spent two seasons within the Cardinals organization, bouncing between the Houston Buffaloes and Lynchburg Cardinals. The Cardinals sent his contract to his hometown team, the Oklahoma City Indians, in April of 1951. The Browns purchased his contract on July 21, 1951, but would allow Kellert to continue playing for the Indians for the next two seasons (1951-52).
Leading into the 1953 season, the Browns included Frank Kellert on the opening day roster. He would make his MLB debut on April 18 against the Detroit Tigers. He entered the game as a pinch hitter for Hal White and grounded out to shortstop Harvey Kuenn. Seven days later (April 25), Kellert started at first base against the Chicago White Sox. He would go 0-for-2, grounding out to the shortstop in both at bats. In his first plate appearance of the game, he reached base on an error by Chicago third baseman Rocky Krsnich. This would mark the conclusion of Frank Kellert's career with the St. Louis Browns. His final statistics would be 0-for-3, (three groundouts all going to the shortstop), and one base reached in two games.
Kellert would be sent back to Oklahoma City in May of 1953, where he hit 23 home runs and drove in 90 runs.
His baseball career was far from over after the Browns moved to Baltimore following the 1953 season. In 1954, he would hit 41 home runs, drive in 146 runs, and be named the Texas League Most Valuable Player while playing for the San Antonio Missions. This would ern him a late season call up by the Baltimore Orioles, but could only hit .206 in ten games.
Kellert would be traded to the Brooklyn Dodgers on March 17, 1955, and win a World Series later that season. After a seasons with the Cubs (1956), he return to the minors leagues for the final three years of his career. He would play with the San Francisco Seals (1957), Portland Beavers (1958) Minneapolis Millers (1958),Miami Marlins (1959), Seattle Rainiers (1959), and Vancouver Mounties (1959).
After retiring from baseball, Frank Kellert would return to O.K.C. where he showed off his World Series ring and told stories of his early days with the St. Louis Browns.