Ryan Theriot debuted on September 13, 2005, playing for the Chicago Cubs at Wrigley Field; he played his final game on October 3, 2012, playing for the San Francisco Giants at AT&T Park.
Second baseman Ryan Theriot and shortstop Mike Fontenot.
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.
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, 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.
Second baseman Ryan Theriot and shortstop Mike Fontenot.
Ryan Theriot played in 2 games at short stop for the Chicago Cubs in 2006, starting in all of them. He played for a total of 51 outs, equivalent to 1.89 9-inning games. He made 3 putouts, had 3 assists, and committed one error, equivalent to .529 errors per 9-inning game. He had one double play.
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 Cook debuted on July 20, 2011 and played his final game on September 29, 2013.
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.