Alan Koch debuted on July 26, 1963, playing for the Detroit Tigers at Tiger Stadium; he played his final game on September 26, 1964, playing for the Washington Senators at R.F.K. Stadium.
NFL player Sam Koch played for Nebraska.
Billy Koch debuted on May 5, 1999, playing for the Toronto Blue Jays at Skydome; he played his final game on August 26, 2004, playing for the Florida Marlins at Pro Player Stadium.
Alan Ashby debuted on July 3, 1973 and played his final game on May 9, 1989.
Alan Bannister debuted on July 13, 1974 and played his final game on October 6, 1985.
Alan Benes debuted on September 19, 1995 and played his final game on May 28, 2003.
Alan Brice debuted on September 22, 1961 and played his final game on September 27, 1961.
Alan Cockrell debuted on September 7, 1996 and played his final game on September 29, 1996.
Alan Embree debuted on September 15, 1992 and played his final game on July 10, 2009.
Barney Koch debuted on July 23, 1944, playing for the Brooklyn Dodgers at Ebbets Field; he played his final game on October 1, 1944, playing for the Brooklyn Dodgers at Ebbets Field.
NFL player Alan Branch played for Michigan.
NFL player Alan Ball played for Illinois.
NBA player Alan Anderson played for Michigan State.