Cliff Pennington debuted on August 12, 2008, playing for the Oakland Athletics at McAfee Coliseum; he played his final game on September 27, 2013, playing for the Arizona Diamondbacks at Chase Field.
Tyler Clippard plays for the Washington Nationals.
Cliff Bartosh debuted on May 15, 2004 and played his final game on June 18, 2005.
Cliff Bolton debuted on April 20, 1931 and played his final game on September 24, 1941.
Cliff Aberson debuted on July 18, 1947 and played his final game on May 9, 1949.
Cliff Brady debuted on August 8, 1920 and played his final game on September 28, 1920.
Cliff Brantley debuted on September 3, 1991 and played his final game on September 28, 1992.
Cliff Brumbaugh debuted on May 30, 2001 and played his final game on July 24, 2001.
Cliff Carroll debuted on August 3, 1882 and played his final game on September 27, 1893.
Cliff Dapper debuted on April 19, 1942 and played his final game on May 3, 1942.
Cliff Daringer debuted on April 20, 1914 and played his final game on September 29, 1914.
Cliff Fannin debuted on September 2, 1945 and played his final game on September 27, 1952.
Cliff Floyd debuted on September 18, 1993 and played his final game on June 17, 2009.