Mark Kiefer debuted on September 20, 1993, playing for the Milwaukee Brewers at County Stadium; he played his final game on April 27, 1996, playing for the Milwaukee Brewers at County Stadium.
Mark Kiefer played in 24 games at pitcher for the Milwaukee Brewers in 1995, starting in none of them. He played for a total of 149 outs, equivalent to 5.52 9-inning games. He made no putouts, had 3 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Joe Kiefer debuted on October 1, 1920, playing for the Chicago White Sox at Comiskey Park; he played his final game on May 25, 1926, playing for the Boston Red Sox at Fenway Park I.
Steve Kiefer played in 3 games at designated hitter for the Oakland Athletics in 1984, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Steve Kiefer played in 2 games at designated hitter for the Oakland Athletics in 1985, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Mark Acre debuted on May 13, 1994 and played his final game on May 10, 1997.
Mark Bailey debuted on April 27, 1984 and played his final game on August 22, 1992.
Mark Baldwin debuted on May 2, 1887 and played his final game on September 30, 1893.
Mark Ballinger debuted on August 6, 1971 and played his final game on September 25, 1971.
Mark Belanger debuted on August 7, 1965 and played his final game on October 2, 1982.
Mark Bomback debuted on September 12, 1978 and played his final game on July 21, 1982.
Mark Bradley debuted on September 3, 1981 and played his final game on October 2, 1983.
Mark Brandenburg debuted on July 20, 1995 and played his final game on September 27, 1997.