Ryan Cook debuted on July 20, 2011, playing for the Arizona Diamondbacks at Chase Field; he played his final game on September 29, 2013, playing for the Oakland Athletics at O.co Coliseum.
Ryan Brasier debuted on May 2, 2013 and played his final game on September 27, 2013.
Ryan Drese debuted on July 29, 2001 and played his final game on April 14, 2006.
Glen Cook debuted on June 23, 1985 and played his final game on October 2, 1985.
Mike Cook debuted on July 1, 1986 and played his final game on October 3, 1993.
Ryan Christenson debuted on April 20, 1998, playing for the Oakland Athletics at Oakland Coliseum; he played his final game on September 28, 2003, playing for the Texas Rangers at The Ballpark at Arlington.
Ryan Cook debuted on July 20, 2011 and played his final game on September 29, 2013.
Ryan Cook plays for the Oakland Athletics.
Ryan Cook is a relief pitcher for the Oakland Athletics.
Ryan Adams debuted on May 20, 2011 and played his final game on September 19, 2011.
Ryan Bowen debuted on July 22, 1991 and played his final game on October 1, 1995.
Ryan Brasier debuted on May 2, 2013 and played his final game on September 27, 2013.
Ryan Budde debuted on July 31, 2007 and played his final game on May 12, 2010.
Ryan Bukvich debuted on July 12, 2002 and played his final game on July 4, 2008.
Ryan Christenson debuted on April 20, 1998 and played his final game on September 28, 2003.
Ryan Church debuted on August 21, 2004 and played his final game on October 2, 2010.
Ryan Dempster debuted on May 23, 1998 and played his final game on September 29, 2013.
Ryan Doumit debuted on June 5, 2005 and played his final game on September 29, 2013.