Frank Kostro debuted on September 2, 1962, playing for the Detroit Tigers at Tiger Stadium; he played his final game on September 21, 1969, playing for the at .
Frank Kostro played in 5 games at first base for the Minnesota Twins in 1968, starting in 1 of them. He played for a total of 69 outs, equivalent to 2.56 9-inning games. He made 24 putouts, had no assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Frank Kostro played in 7 games at second base for the Minnesota Twins in 1964, starting in all of them. He played for a total of 135 outs, equivalent to 5 9-inning games. He made 5 putouts, had 11 assists, and committed one error, equivalent to .2 errors per 9-inning game. He had one double play.
Frank Kostro played in 12 games at third base for the Minnesota Twins in 1964, starting in 10 of them. He played for a total of 297 outs, equivalent to 11 9-inning games. He made 9 putouts, had 22 assists, and committed 3 errors, equivalent to .273 errors per 9-inning game. He had one double play.
Frank Abercrombie debuted on October 21, 1871 and played his final game on October 21, 1871.
Frank Allen debuted on April 24, 1912 and played his final game on September 19, 1917.
Frank Arellanes debuted on July 28, 1908 and played his final game on August 14, 1910.
Frank Bahret debuted on April 17, 1884 and played his final game on April 22, 1884.
Frank Baker debuted on July 27, 1969 and played his final game on September 29, 1971.
Frank Baldwin debuted on April 22, 1953 and played his final game on September 5, 1953.
Frank Barberich debuted on September 17, 1907 and played his final game on June 16, 1910.
Frank Barnes debuted on April 18, 1929 and played his final game on September 26, 1930.
Frank Barrett debuted on October 1, 1939 and played his final game on September 15, 1950.