Jack Aker debuted on May 3, 1964 and played his final game on September 27, 1974.
Jack Aker debuted on May 3, 1964, playing for the Kansas City Athletics at Municipal Stadium I; he played his final game on September 27, 1974, playing for the New York Mets at Shea Stadium.
Jack Aker played in 17 games at pitcher for the Atlanta Braves in 1974, starting in none of them. He played for a total of 50 outs, equivalent to 1.85 9-inning games. He made 2 putouts, had 4 assists, and committed one error, equivalent to .54 errors per 9-inning game. He had one double play.
Jack Aker played in 54 games at pitcher for the Oakland Athletics in 1968, starting in none of them. He played for a total of 224 outs, equivalent to 8.3 9-inning games. He made 2 putouts, had 14 assists, and committed one error, equivalent to .121 errors per 9-inning game. He had one double play.
Jack Aker played in 4 games at pitcher for the New York Yankees in 1972, starting in none of them. He played for a total of 18 outs, equivalent to .67 9-inning games. He made 3 putouts, had 2 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Jack Aker played in 9 games at pitcher for the Kansas City Athletics in 1964, starting in none of them. He played for a total of 49 outs, equivalent to 1.81 9-inning games. He made 2 putouts, had 5 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Jack Aker played in 66 games at pitcher for the Kansas City Athletics in 1966, starting in none of them. He played for a total of 339 outs, equivalent to 12.56 9-inning games. He made 9 putouts, had 32 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Jack Albright debuted on May 19, 1947 and played his final game on July 27, 1947.
Jack Allen debuted on May 1, 1879 and played his final game on July 17, 1879.
Jack Aragon debuted on August 13, 1941 and played his final game on August 13, 1941.
Jack Baker debuted on September 11, 1976 and played his final game on June 8, 1977.
Jack Baldschun debuted on April 28, 1961 and played his final game on August 21, 1970.
Jack Banta debuted on September 18, 1947 and played his final game on June 21, 1950.