Mark Brown debuted on August 9, 1984 and played his final game on August 11, 1985.
Mark Brown debuted on August 9, 1984, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on August 11, 1985, playing for the Minnesota Twins at Hubert H Humphrey Metrodome.
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.
Mark Brouhard debuted on April 12, 1980 and played his final game on October 6, 1985.
Mark Brownson debuted on July 21, 1998 and played his final game on July 20, 2000.
Mark Budaska debuted on June 6, 1978 and played his final game on August 18, 1981.